CUSTOMIZABLE DESIGN: One of the more highly desirable SWISSGEAR backpacks due to its simple front panel layout, this bag is also designed specifically to accept custom embroidery on its front panel of up to 5” in diameter. | TRAVEL WITH EASE: A part of the highly sought after SWISSGEAR ScanSmart series, this pack features the TSA-friendly, lay-flat tech compartment equipped with a padded 17” laptop sleeve and floating tablet pocket, allowing your devices to be scanner without taking the devices out of the pack. Durable zipper closure adds an extra barrier of security for devices and essentials throughout your trip. | ORGANIZED & SPACIOUS: Equipped with an electronics only compartment, a large capacity main compartment, side zip accessory pockets, water bottle pockets, front organizer compartment and a top quick access pocket for smaller items. | COMFORTABLE: Ergonomically contoured, padded shoulder straps with mesh fabric and built-in suspension combined with a padded back panel with Airflow ventilation technology for maximum support and comfort. | DIMENSIONS: Exterior — 18.5" x 13.25" x 9"; Laptop Compartment — 14.5" x 11" x 1.5"; Tablet Pocket Capacity — 10" x 7"; Bag volume — 30.7 L

Including Aluminum filter holder and Aluminum adapter ring for 77mm lens.Fit for 77mm lens and can screw a 82mm round filter. | Allows for creative use of light correction or special effects. Simply slide in different filters to take beautiful, colorful shots | Fit for 1.5-2mm thick Cokin Z series 100mm Filters(4"x4",4"x6",4X5.65") such as Lee Hitech and other brand 100x100mm, 100x150mm square filters | Can hold 3 square filters OR 2 square filter & a 82mm round filter all at once,360 degrees rotation and freely sliding filters up and down for fitting different shooting situations and creative needs. | This filter holder can be fitted with various size of adapter ring.If you want another size of adapter ring,please switch to this website:https://www.amazon.com/dp/B01MTPBOYB or search for "SIOTI Adapter Ring"

Full stereo sound for crisp, clear voice and video calls | Versatile noise-cancelling boom microphone lets you be clearly heard, rotates out of the way, and can be worn on the left or right side | Adjustable headband and foam ear cups for a personalized, comfortable fit | Convenient in-line controls let you easily adjust volume and mute the microphone | Works with Windows 10 or later, Windows 8, Windows 7, or Windows Vista, Mac OS X 10.5 or later, Chrome OS, Linux Kernel 2.6+ and iOS or Android devices. Please refer the User Manual before use.