Rii i8+ Mini Bluetooth Keyboard with Touchpad & QWERTY Keyboard, Backlit Portable Wireless Keyboard for Smartphones laptop/PC/Tablets/Windows/Mac/TV/Xbox/PS3/Raspberry Pi (Blue)

Features: 92 keys, Bluetooth wireless Keyboard with Touchpad. Touchpad DPI adjustable functions. Built-in high sensitive smart touchpad with 360-degree flip design. Backlight function to be used in the dark and at night. 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. Perfect for PC, Pad, Andriod TV Box, Google TV Box, for Xbox360, for 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)
Battery Type: Built-in lithium-ion battery
Notice: After 3 minutes without any operating, keyboard will go into sleep mode, press any key for about 1s to wake up keyboard.
Package including: 1 * Wireless keyboard 1 * Charging data cable 1 * User manual TROUBLESHOOTING For majority of issues, please perform a factory reset as mentioned below: 1) Hold the keyboard in the off mode. Don't turn it on 2) Keep holding the F1 key while you turn the keyboard on. Release the F1 key. The yellow light keeps flashing fast 3) Pull the dongle into computer 4) Wait until the yellow light stops flashing. The synchronization is complete now 5)Turn off and turn on once more. Then it's done