<ul><li>92 keys, 2.4GHz wireless Keyboard with Touchpad.</li><li>Touchpad DPI adjustable functions.</li><li>Built-in high sensitive smart touchpad with 360-degree flip design.</li><li>Auto sleep and auto wake mode.</li><li>Innovative shape, portable, elegant.</li><li>The Ergonomically handheld design is easy to carry and operate.</li><li>Build-in removable rechargable Li-ion battery that has longer standby time.</li><li>Perfect for PC, for Pad, Andriod TV Box, Google TV Box,for Xbox360,for PS3,for HTPC/IPTV, etc.</li><li>Specification:</li><li>Operating range: 15m(MAX), without signal disturbance and no direction limit</li><li>Frequency range: 2.403GHZ ~ 2.480GHZ</li><li>Operational voltage: 3.3V</li><li>Charge Voltage: 4.4V ~ 5.25V</li><li>Channel: 78 channels</li><li>Battery Type: Built-in lithium battery</li><li>Item size: 147 x 97 x 18mm - 5.79 x 3.82 x 0.71inches</li><li>Specifications of Mini Wireless Keyboard With Touchpad Mouse Rf500 - Black</li></ul>