iPazzPort Backlit Wireless Mini Keyboard USB with Touchpad for Android TV Box, Nvidia Shield TV, Raspberry Pi 3 KP-810-21SL Backlit Keyboard : wireless long distance to control Android TV Box , raspberry pi 3 , mini remote keyboard for nvidia shield tv 2017 and 2018 streaming media player, fire stick and fire tv, should use OTG cable (not included in package) Backlit would not work until connected with devices successfully. Press FN+F2 to turn on/off backlit This wireless mini keyboard built in rechargeable lithium-ion battery, it can't support AAA battery, we had clear point this in the product detail page QWERTY with 92 keys, wireless keyboard with touchpad supporting multi-touch function , mouse left and right buttons, easy to type and copy/paste If keys on the keyboard do not work when pressed orlost connection, please re-sync as below steps to solved this issue: a. Charge keyboard for two hours and switch on; b. Press Fn+F1 simultaneously for three seconds, the light on keyboard would blink; c. Plug dongle into device USB port, the light would go out soon, Done Innovative Shape, perfect for raspberry pi 3, android tv box , htpc and pc Wireless keyboard with backlight,Press the Fn+F2 to turn on/turn off the backlight Mini size wireless keyboard with a full QWERTY keyboard, with function buttons, multi-media control keys, scroll buttons, and a track pad. iPazzPort Wireless Keyboard + Mouse + Touchpad+ backlit ,RF 2.4G wireless connection, enjoy up to 10m operating distance. iPazzPort mini keyboard with touchpad and QWERTY , work for Android TV Box ,Raspberry Pi , Smart TV , PC and other devices which support USB port.