General Device Type: Webcam Audio Support : Yes: built-in omni-directional [...]

-Build-In Mic Mono -USB port -Resolution HD (1280 x 720) pixels/30FPS -Field of View 60° and Fixed Focus -Warranty 2 year warranty"

Key Features: Full HD 1080p with HDR – Enjoy sharp, [...]

Key Features: – Spacious & Smooth Surface – Optimized for [...]

– Connectivity Technology Bluetooth – Special Feature Wireless, Ergonomic, Touch Scroll – Movement Detection Technology

– Logitech Brand – M171 Series – Smooth optical tracking Sensor Technology – Number of Buttons 3

– Sensor technology – Line-by-line scrolling – 1 AA battery (pre-installed) – Bluetooth Connectivity – Scroll Wheel: 2D, mechanical

– Bluetooth, USB, Radio Frequency Technology – Wireless, Portable, Lightweight, Soundless Feature – Optical Movement Detection Technology ‎– 2.68 ounces Item Weight

Specs & Details Dimensions MX Keys Mini Keyboard Height: 5.19 [...]

– Wi-Fi Connectivity – Optical Movement Detection – ‎Linux, Chrome Operating System ‎- 3.92 ounces Item Weight