Brand N/A Model RC13 Wireless 2.4G Power Supply External 800mAh lithium battery Distance 6 M Color Black Supports System Windows 2000 / XP / Vista / 7 / Linux / Android Features Speaker: 32W / 0.5ohm; Direction: Single direction (180 degree); Wireless RF frequency: 2.4GHz; Button life: 1500000 times; USB receiver working current: About 21.5mA; Receiver working current: About 20mA; 4-in-1 function: Mouse / keyboard / multi-media speaker / Skype telephone; The humane design of the artificial mechanics makes the users feel extraordinary comfortable and convenient; The advanced power-saving technology improves the battery life; It will go into dormancy in 2 minutes without working; The current of dormancy is only 10uA and you can press any buttons to make it working; Plug and play no driver required; It can compatible with USB 1.1 and USB 2.0 interface; Suitable for computer projector smart TV HTPC Android tablet PC Android HD media players and mini PC Packing List 1 x Air mouse 1 x Receiver 1 x Power cable (20cm) 1 x Lithium battery 1 x English user manual