Optical Glass Lens: The lens is made of optical glass, coated with light reduction technology, high definition grinding treatment, almost no color shift, high light transmittance, and the lens has waterproof, oil proof, anti ouling, and scratch resistant properties. | Aluminum Alloy Frame: The frame is made of aluminum alloy material, which is sturdy and durable, and long service life. | Good Features: The 52mm camera lens filter features ultra low color cast, ultra high definition, low reflection. | Compact and Portable: The filter is compact and easy to carry, with a storage box, which can be placed in a pocket or a backpack for carrying. | Applicable Lens: The 52mm lens filter is ompatible with 52mm filter aperture lens, providing you great using experience.

High quality Aluminum alloy grip, | Buit-in Stainless steel screw in accord with the global standard size | Simple for work and convenient for installation | Design with large external diameter and fit most cameras and camcorders | Suitable for most shooting situations | | | | |

Enhanced data rate (EDR) conforms to the 2Mbps and 3Mbps modulation modes of the V2.0.E.2 specification. | Full speed Bluetooth operation, support for full Piconet and Scatternet. | Support Bluetooth connection through AT command, set baud rate, password, save parameters after setting parameters. | On-board 3.3V regulator chip, ROHS compliant, compact size. | Bluetooth UART RS232 serial converter module for easy transfer of UART data.

【Cassette to MP3 Converter】Convert audio music cassette tape to MP3 format without computer needed. Quickly converts your old cassettes - either manually or automatically - really handy and easy to use. | 【Portable Design】Lightweight & portable design enables you to play and transfer anywhere at any time. Each package comes with headphone, USB Cable, makes your listening and conversion easier. | 【Versatile Design】Works perfectly with any standard 3.5mm AUX jack, meaning you can use headphones, earbuds, or an audio port to your car speakers. | 【AA/USB Powered】 Lightweight and compact. It runs on battery or USB power. Besides，when it connect to USB power or connects to your computer, This cassette will not need a battery, which is easy to use. | 【After-sales Service】We will undergo strict inspection before delivery and you can rest assured to buy and use. If you dissatisfied of our Tape Converter, please contact us at any time online, we will try our best to help you solve any problems.

Usage: A crossover is a device that separates the sound of different frequency bands, amplifies them separately, and then sends them to the corresponding frequency band speakers for playback. | Superior Performance: 3 way crossover has large capacitor, high power inductor, high power special aluminum film resistor, excellent heat dissipation and longer service life. | One High and Two Low, Easy Wiring: 3 way frequency divider supports three way three crossover, one high and two low; with terminal block, easy wiring. | Widely Applicable: 3 way speaker crossover is suitable for various single 10 inch, 12 inch, 15 inch, 18 inch professional conference stage speakers. | Premium Material: 3 way passive crossover is made of premium PCBA material, strong and , wear resistant and pressure resistant, long service life. | | | | |

【Simple operation】 Easy to use and handle. Fixing clip for light leakage and degumming frame. | 【Strong compatibility】 Adjustable stand suitable for most mobile phones and tablet computers. | 【Wide range of applications】 General purpose fixtures. Mobile phones/tablets/computers can be fixed with fixing clips. | 【Maintenance tool】is used to clamp the equipment you have repaired. It is a maintenance tool accessory. | 【Strong fit】 Make the screen and perfect joint.

PLUG AND PLAY - No extra driver required, just directly plug it into USB connector, it will be recognized by your computer and install driver automatically. With interference preventer, effectively prevent the drive from external noise. Powered directly from the USB port, no external power required, compatible with USB 1.1 / 2.0 / 3.0. | WIDE COMPATIBILITY - 3.5-inch ultra-thin and lightweight USB external floppy disk is easy to carry, excellent for desktop and laptop computers. Supported operating system is for Windows 10 / 7 / VISTA / Windows 8 / XP / / 2000 / SE / 98.] | EFFICIENT FILES STORAGE - High-quality floppy drive disk keeps durable and very beautiful hard plastic shell. You could download your entire diskette documents into your computer with our drive, so you can store them into CDR's and portable hard drives. | TIME MEMORY STORAGE - Perfect to read old floppy disks, you could get photos of your kids when they were young, you also could find numerous treasured documents long ago stored on floppy disks. | PROFFESIONAL CUSTOMER SERVICE - The USB floppy disk can enjoy 6 months replacement warranty and 30 days money back, if you have any problem with our item, please contact us and we will help you.

【Main Function】Clean thoroughly without any water trace or scratches, and restore your records' quality | 【Working principle】Clean effectively, it will wipe out dust, fingerprint and other dirty marks remained on record, to perform a protection layer to keep away from stains | 【Usage】Use green formulation with no toxic substances and will not damage your record | 【Applicable types】Can be used for digital products cleaning and disinfection, such as phone, computer | 【Feature】Anti-static and durable, carbon fibers provide deep and gentle cleaning

Clean thoroughly without leaving water marks. | Environmentally friendly formula, non- substances, no harm to the record. | It can effectively remove dust, , fingerprints and other on the of the record. | Form a protective layer to make difficult to adhere. | the charm of records.

Applicable Scene: Using sophisticated production technology, the print head is ideal for Hero 3.1 5.1 4.2 and other printers. | Easy Installation: Very easy to install, light weight, small size. Can be used after installation. | Premium Materials: Made of ABS, this print head is strong, , not easy to damage, and has a long service life. | Great Replacement: Great printheads for replacement and backup to make your printing easier and smoother. | Excellent Accuracy: Equipped with this print head, the printer will print the paper with excellent accuracy, the print head guarantees printing. | | | | |

HIGH QUALITY PLASTIC: This woofer diaphragm is made of high quality plastic material, which is durable. | BASS DIAPHRAGM: Enhance the bass effect of the speaker and eliminate the disturbance of the airflow of the cabinet. | FULL RANGE SPEAKER: This DIY subwoofer has a full range speaker bass enhancement effect. | THE MAIN FUNCTION: The main function of this speaker diaphragm is the speaker, woofer, and bass vibration. | PRODUCT SIZE: The product size is Approx. 92x92x22mm / 3.6x3.6x0.9in, the distance between adjacent screw holes is 61mm / 2.4in, and the distance between diagonal screw holes is 85mm / 3.4in.

【HDMI to RCA Converter】The MINI HD input to AV signal converter which will convert HD input video signal or audio signal to AV(CVBS) composite video signal and the FL/FR stereo audio signals, while support DVI system sideline signals. | 【HDMI 1.3 Input】Compatible with HDMI 1.3, Supporting two formats of PAL and NTSC output with a select switch. Output the audio synchronization with video. High bandwidth capability support 1920x1080@60Hz. | 【Wide Compatibility】HDMI to AV Adapter Suitable for TV Stick, Blu-Ray, DVD player, Xbox 360, Wii, PC, HD camera and more. | 【Esay to Use 】Plug and play without any drivers, portable and flexible. If the power supply is insufficient, please external power supply. (In most cases, external power supply is not required) | 【Service Guarantee】If you have any quality problems, please feel free to contact us, we will provide you with a satisfactory solution, please feel free to buy without any worry.

for Computer Laptop TV etc: The switch can be used with most devices equipped with standard high definition multimedia interface ports and Compatible with most electronic products. | 1080P HDMI Splitter: With high resolution, user can watch audio in high definition; using this switch, user can enjoy the most luxurious video and audio. | Bi‑Direction HDMI Switcher: This switch 1 in 2 out or 2 in 1 out can connect two high definition multimedia interface sources to one display, or connect one source to switch between two displays (only one display is displayed). | Mini HDMI Switch: With small in size, light in weight, this bi-direction switch is easy to remove. | Simple Install: The switch is easy to install, plug in the high definition multimedia interface cable directly, and then press the button.

LGA 1155 CPU Slot: This desktop motherboard adopts LGA 1155 2nd Gen slot that supports i3/i5/i7, suitable for Pentium, and for Celeron series processors. (For example, i7 2600k, i5 2500s, i5 2400s, i3 2130, for Pentium G530/G630/G860, etc.) | Dual Channel DDR3: This Micro ATX motherboard supports 2 8GB DDR3 Non ECC memory and 1066/1333/1600MHz active frequency standard, with a maximum memory capacity of 16GB. | M.2 NVMe NGFF: This LGA 1151 motherboard with high speed M.2 hard disk interface, with jumper wire, support dual mode NVME NGFF, can freely choose high or low speed PCIe hard disk switch and SATA2.0 channel. | 3 Phase Power: This M ATX motherboard adopts 3 phase power supply, all solidstate capacitor design, and 24+4pin power socket to ensure the stable operation of the motherboard accessories. | HD VGA Ouput: This DDR3 motherboard supports VGA and HD Multimedia Interface output. Designed with PCIe X16 graphics card slot, 1 PCIeX1 slot, 6 USB 2.0, 3 SATA2.0, 1 M.2 hard disk interface.

High Speed Connection: Support USB2.0, connected to the computer can become a computer camera, but also through the USB port for the device power supply. | Camera: This mini camera video clear, smooth, color reproduction true, able to record the life of a little moment. | Mini Size: Only thumb size, 20g weight, with almost no feeling on the body, compared to the traditional bulky camera, this camera is more convenient to carry, easier to use. | Various Functions: Support AVI video format, support separate recording function, no need to record, can effectively save memory. | Motion Detection: The product supports motion detection, when an object enters the field of view of the camera, it will automatically record 3 minutes of video, it will enter the mode again. | | | | |

The main board is made of good quality 3mm thick acrylic, lightweight, waterproof and durable. | Printing on the board is colorfast, the board has sleek surface, which is easy to write on and clean. | Hinge on the connecting part is flexible and durable, with magnet inside, can be used for long time without possibility of breakage. | Comes with a pen which can easily be wiped clean. Easy and convenient to use. | Widely applicable for shoot props/advertisement/home decoration/cosplay/background, etc.

Light-weight & mini sized body fits right in your hand | Plug abd Play--TF card and U disk can be inserted. TF Card / TF memory card that supports FAT16 / FAT32 file system | Build-in high sensitivity FM radio frequency module, the signal is excellent | Built-in 600mAh battery, which can last for up to 2-5 hours playing time(The actual playback time depends on the size of the volume) | Perfect portable speaker for outdoors & indoors: home, dorm room, kitchen, bathroom, car, parties, travel, sports, ect

Plug in Speaker--The speaker adopts a new and unique fashion design, "wireless" concept, and a compact body allows you to take it with you. | Easy to Operate-- Simply plug in the 3.5 mm audio jack to turn on the speakers, no need to wait. | Gaming Music Speaker--The sound is clear and strong, and the sound quality is clear. It can be widely used when you listen to music, watch movies, play games, etc. | Easy to carry‑small size, light weight, can be placed in a pocket, bag, briefcase, etc. Enjoy music anytime, anywhere. | Universal 3.5 mm Audio Jack--Compatible with all types of digital devices, supports 3.5 mm audio plugs for smart phones, tablets, laptops, PCs, MP3, and MP4.

Plug in Speaker--The speaker adopts a new and unique fashion design, "wireless" concept, and a compact body allows you to take it with you. | Easy to Operate-- Simply plug in the 3.5 mm audio jack to turn on the speakers, no need to wait. | Gaming Music Speaker--The sound is clear and strong, and the sound quality is clear. It can be widely used when you listen to music, watch movies, play games, etc. | Easy to carry‑small size, light weight, can be placed in a pocket, bag, briefcase, etc. Enjoy music anytime, anywhere. | Universal 3.5 mm Audio Jack--Compatible with all types of digital devices, supports 3.5 mm audio plugs for smart phones, tablets, laptops, PCs, MP3, and MP4.

The bluetooth receiver is small and delicate, and features a USB interface that plugs directly into your home stereo system without requiring any external wiring. Users can easily play music from 10 meters away via wireless bluetooth transmission. | It adopts the advanced bluetooth V2.1 (i.e., bluetooth EDR technology), so, data transfer rate have been raised to 2.1 Mbps that is three times as much as the current bluetooth technology, ensuring that the wireless audio transmission is more stable, in | Newest technology allows the bluetooth receiver to pair with up to six devices, which solves the problem that the user has multiple bluetooth devices. | The receiver is connected by USB interface and supports A2DP bluetooth stereo. Neither 3.5mm-to-rca nor 3.5mm-to-3.5mm audio cable is supported. | It can be used on car and plays an important role in answering phone. With it, your stereo becomes a bluetooth stereo, based on that your stereo can play music via USB.