Portable adjustable manual focus

Features: 92 keys, 2.4GHz wireless Keyboard with Touchpad. Touchpad DPI adjustable functions. Built-in high sensitive smart touchpad with 360-degree flip design. Auto sleep and auto wake mode. Innovative shape, portable, elegant. The Ergonomically handheld design is easy to carry and operate. Build-in removable rechargable Li-ion battery that has longer standby time. Perfect for PC, for Pad, Andriod TV Box, Google TV Box,for Xbox360,for PS3,for HTPC/IPTV, etc. Specification: Operating range: 15m(MAX), without signal disturbance and no direction limit Frequency range: 2.403GHZ ~ 2.480GHZ Operational voltage: 3.3V Charge Voltage: 4.4V ~ 5.25V Channel: 78 channels Battery Type: Built-in lithium battery Package Included: 1 x I8 Three Color Backlit Wireless Keyboard 1 x Charging Cable 1 x User Manual 1 x Lithium Battery(in wireless keyboard) 1 x Wireless Receiver(in wireless keyboard)