3 in 1 multifunction: wireless keyboard + touchpad + mouse; 2.4GHz wireless connection, control range: 3-5m Ultra sensitive touchpad with 90 degree flip design. Mini full-function keyboard Keyboard standby and automatic function. Ergonomic design, compact and . Can be used for PC, Laptop, Smart TV, HTPC, Android TV BOX, etc. Built-in battery capacity: 450mAH Charging voltage: 4.2V ~ 5.05V Charging current: less than 350mA Dimensions: 150x60x10mm Battery type: Lithium-ion polymer battery Compatible: for 2000 XP Vista, , 7 8 Linux (tested at 7.0) Android (with standard USB interface) System Supported HID compatible device Terminal with USB port 2000 XP Vista, , 7, 8 Linux (Debian-3.1, Redhat-9.0, -8.10, Fedora-7.0 tested) Android (with standard USB interface) Colour: black Material: plastic Package Contents: 1 * Wireless Keyboard 1 * Receiver 1 * English Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.