Tangxi 2.4Ghz Wireless Keyboard Mouse Combo, Compact Full Size Keyboard Optical Mouse, Ergonomic Mute Keyboard with Multimedia Hotkeys 2.4Ghz Wireless Optical Mouse for Office,

Specification: Item Type: 2.4G Wireless Keyboard and Mouse Combo Material: ABS + PC Product Color: Silver Product Weight: Approx. 568g / 20.0oz Connection Method: Wireless receiver connection Transmission Distance: About 10m/32.8ft Wireless Transmission Frequency: 24GHz Battery Specifications: Keyboard: 2xAA Battery (not included); Mouse: 2xAAA Battery (not included) Working Temperature: -10-55°c Number of Keys: 102 Mouse DPI: 800/1000/1200 Compatible System: For Windows Xp/7/8/10 (32/64bit), for OS X V10.2, for Android 4.0 Package List: 1 x Keyboard 1 x Mouse 1 x USB Receiver