Specifications:
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
Modulation: GFSK
Channel: 78 channels
TX Power: Less than +5dBm
Transmission rate: 1M bit/sec
Frequency tolerance: +/-30ppm
Power consumption: 55mA(on), 1mA(sleep)
Battery Type: Built-in lithium-ion battery
Item size: 145mm * 100mm * 20mm

HID compatible device
Terminal with USB port
Windows Vista, Windows CE, Windows 7, Windows 8, Windows 10
Windows 2000, Windows XP
Linux (Debian-3.1, Redhat-9.0, Ubuntu-8.10, Fedora-7.0 tested)
Android OS (With standard USB interface)

Package Included:
1 x Wireless keyboard
1 x Wireless receiver (in wireless keyboard)
1 x Lithium battery (in wireless keyboard)
1 x Charging cable
1 x User manual

• Auto sleep and auto wake mode, Touchpad DPI adjustable functions
• Built-in high sensitive smart touchpad with 360-degree flip design, Build-in removable rechargable Li-ion battery that has longer standby time
• Mini Qwerty keyboard with multimedia control keys and PC gaming control keys
• Innovative shape, protable, elegant, and Ergonomically handheld design is easy to carry and operate
• Perfect for PC, Pad, Andriod TV Box, Google TV Box, Xbox360, PS3, HTPC/IPTV, etc

Auto sleep and auto wake mode, Touchpad DPI adjustable functionsWinnerEco