Celluon Laser Projection Keyboard

Compatible OS: iOS 4 and later, Mac OS 10 and later, Android 2.2 and later, Windows XP/Vista/7 and later, and any device with Bluetooth HID support.

1)Bluetooth connection mode

2)Input power: 0.5 - 5 V DC adapter
3)Built-in battery, no external power supply, uses about 150 minutes.
4)Projection keyboard size is about 241 x 106 mm (the macbook keyboard size)