Features:
100% brand new and high quality!
English QWERTY keyboard layout.
Truly portable design:perfect for on-the-go.
Full size key pitch and shortcut keys for ease of operation.
Superior durability (No moving component inside).
Built-in Lithium-ion Polymer rechargeable battery for mobility and convenience
Compatible with latest operating systems: for Windows XP & later, for Windows Phone 7 & later, for iOS4 and later, for Android 2.1 and later, for Mac OS X & later.

Specification:
Pattern Projector keyboard layout Approx. 19mm Pitch
Light source:red laser
Keyboard(mouse) size: Approx. Width : 240mm, Height: 100mm
Keyboard(mouse) Location: Approx. 80mm from the bottom of device
Project Surface: Non-reflective, opaque flat surface
Recognition Rate: Approx. up to 350 characters per minute
Operating Surface: Any firm flat surface
External Power Supply: USB Power / less than 5V 500mA
Battery & Capacity: Lithium-ion Polymer Battery,700mAh(MA X) @ 3.7V
Battery Operating Time: Approx. 150min
Battery Charging Time: Approx. 90min
Bluetooth(bm20730): V3.0, HID Profile Ver 1.0
Frequency Range: 2402-2480MHz
Product Size (mm): 78mm x 40mm x 20mm
Product Weight (g): 60g
colors: silver+black