What's in the box:

A36 Mini Wireless Keyboard 2.4GHz 4 Color Backlit Air Mouse Touchpad Keyboard For Android TV Box Smart TV PC Rechargeable (Standard)

Features
Multi-function: wireless keyboard + touchpad + mouse + multimedia control keys and PC game control keys.
Highly advanced RF 2.4G wireless technology provides anti-jamming and reliable connectivity.
Full-featured mini keyboard, ultra-sensitive touchpad, high-tech design, precise touch you want.
Working range: 10 meters ( MAX ), no signal interference, no direction limitation
Four colors of backlight can be freely switched (Fn+Win).
Battery: Built-in rechargable 1020mAh Li-ion battery (BL-5C)
With USB dongle / receiver, no drivers required. 100% plug and play.
The keyboard automatically goes to sleep and wakes up.
Can be used for PC, laptop, smart TV, HTPC, Android TV BOX, etc.
Ergonomically designed, compact and lightweight.

Note 1: USB Dongle is placed at the back of the keyboard.

Specifications:
Battery: Built-in rechargable 1020mAh Li-ion battery (BL-5C)
Frequency range: 2.403GHz-2.480GHz
Operating distance: Up to 10 meters / 30ft
Operating voltage: 3.3V
Operating current: <10mA> Charging current: <300mA> Sleep current: <1mA> Color: Black
Main Item Size: 14.8 * 10 * 1.8cm
Main Item Weight: 107g
Package Size: 17.5 * 10. * 2.0cm
Package Weight: 132g

Package List:
1 * Wireless Keyboard
1 * USB Wireless Receiver
1 * USB Charging Cable
1 * BL-5C Li-ion Battery
1 * English User Manual