The product is made of high-quality rubber material, soft and odorless. | The product is small in size and can be easily put into a pocket, purse or bag, making it very convenient to carry. | The product can be used to protect each port from dust and water droplets, prevent oxidation and rust when the computer and AV device ports are idle, which is very practical. | The product is perfectly compatible with 6.35mm audio plugs, electronic drums, electronic keyboards, electronic guitars and other interfaces. | Product packaging includes: 20 pieces of DC6.35MM audio jack dust plugs.

The product is a 1 x 4 matrix membrane switch with FPC circuit. | Product performance is very stable, high precision. | The product is used as a single-chip microcomputer expansion keyboard, which can provide convenience for your Arduino or Raspberry Pi project and is beneficial to your operation. | Pad size: 69 x 20mm (2.7 x 0.79in), total length: 108mm (4.3in). | The product includes: 4 pieces of 1 x 4 single-chip microcomputer expansion membrane keyboard.

The product is made of high-strength plastic, sturdy and durable, ensuring long-term protection of your privacy. | There is also a strong 3M adhesive layer on the back of the product, which helps the privacy protector stick firmly to your device. | The product is a privacy cover for webcams, which is an accessory for laptop webcams. When using, there is no need to worry about interfering with the use of the webcam lens or indicator lights; Will not damage your equipment in any way; When not in use, you can slide the webcam cover onto the webcam lens to prevent network hackers from monitoring you. | Products are ideally suited to provide privacy security for individuals, groups, organizations, companies, and governments. It also protects your camera lens from dust and always maintains high definition. | Product packaging includes: 4PCS camera privacy protection cases.

Package contains: white light x 4; each USB light is composed of 8 lamp beads. | Voltage: 5V; Power: 4W (each 0.5W), power saving and durable. | Easy to use: USB ports such as power bank, mobile phone charger and computer USB port can all be used, just plug it in. | Size: 3.9*0.67*0.39 inches/100*17*10mm, compact and easy to carry, but bright enough to use. | Suitable for: PC computer keyboard, book light, bedside reading light, living room corridor bedroom night light, etc.; you can put it anywhere, such as your wallet or pocket.