This is a 2.4GHz wireless mini QWERTY keyboard and trackball mouse combo, with USB interface receiver. Plug and play, simple and smooth. The mini keyboard ensures convenient typing, and you can control your devices on your couch.

Wireless Mini Keyboard:
The mini keyboard ensures convenient typing with classic keys and multimedia keys, and you can control your devices on your couch.
Optical Trackball Mouse:
Optical-sensor trackball controller strengthens the touch experience and ensures flexible control of the laptop or HTPC when there is no mouse.
Scroll Wheel Design:
The bottom right corner of the keyboard has the mouse left and right keys and scroll wheel which can randomly turn between two directions.
Wide Application:
Compatible with Android, Windows and Linux OS. Suitable for XBOX 360, for PS3, HTPC / IPTV, Android TV Box, Laptop, projector and so on.

Specifications:
Model Number: E30
Connection: 2.4G wireless
Working Distance: within 10m
Amount of keys: 79 keys + Scroll Wheel + Trackball
Button Life Time: 8 million times
Tracking method: optical mouse trackball
Mouse DPI: 1200
Battery: 2 * AA battery (not included)
Color: Black, Silver (Optional)
Main Item Size: 26.0 * 11.8 * 2.5cm / 10.23 * 4.64 * 0.98in
Main Item Weight: 223g / 7.87oz
Package Size: 28.0 * 12.6 * 3.5cm / 11.02 * 4.96 * 1.37in
Package Weight: 280g / 9.89oz

Package List:
1 * Keyboard
1 * USB Receiver
1 * User Manual