92 keys, 2.4GHz wireless Keyboard with Touchpad. Touchpad DPI adjustable functions. Built-in high sensitive smart touchpad with 360-degree flip design. Mini QWERTY keyboard with multimedia control keys and PC gaming control keys. ? Auto sleep and auto wake mode. Innovative shape, portable, elegant. The Ergonomically handheld design is easy to carry and operate. Build-in removable rechargeable Li-ion battery that has longer standby time. Perfect for PC, Pad, Android TV Box, Google TV Box, Xbox360, PS3, HTPC/IPTV, etc. Specification: Operating range: 15 meters(MAX), without signal disturbance and no direction limit. Frequency range: 2.403GHZ ~ 2.480GHZ Operational voltage: 3.3V Charge Voltage: 4.4V ~ 5.25V Modulation: GFSK Channel: 78channels TX Power: less than 5dBm Transmission rate: 1M bit/sec Frequency tolerance: /-30ppm Power consumption: 55mA(on), 1mA(sleep) Color: White Black Battery Type: Built-in lithium-ion battery Item size: 15 * 10 * 2cm Item weight: 107g Package size: 17 * 14.5 * 3.5cm Package weight: 175g Notice: After 3 minutes without any operating will into sleep mode, press any key about 1s to wake up. Package including: 1 * Wireless keyboard 1 * Wireless receiver 1 * Charging data cable 1 * User manual