This is a wonderful combo of 2.4GHz Mini Wireless QWERTY keyboard and Touch Screen, with an USB adapter. It is compatible with Android TV Box, Projector, IPTV, HTPC, PC, Laptop, etc. User could make a presentation and operate PC within 10M, change slides and screen options, write on the screen, emphasize words and objects, watch internet TV on standard TV via these devices.

Specification
Product Size(L*W*H): 152*102*13mm
Product Weight(grams): 115g
Operational Rang: up to 10 meters
Transmit power: +5db Max
Operation voltage: 3.7V
Charging current: <200mA
Sleep current: <30uA
Battery type: BL-5B
Battery capacity: 300mAh
Applicable systems: Android, Windows, Mac and Linux OS

Notes:
1.To keep in compliance with development, the manufacturer reserves the right to amend specifications without prior notifications. The pictures and data in this instruction manual are only for reference. If there is any fluctuation, take practicality as standard.
2.When the USB receiver don't connect , the keyboard can not work , will automatically power off after about 8 seconds