Daretang(TM)Wireless Laser Projection Bluetooth Vitual Keyboard for Iphone, Ipad, Smartphone and Tablets

Specification:
Compatible with latest operationg system:Windows XP/VISTA//7/8,Windows Phone7,IOS4/5/6(iPhone and iPad)Android 3.1 higher,Mac OS X via Bluetooth 2.0 HID profile or USB
Keyboard light source:red laser diode
Keybaord layout:About 19mm tilt,QWERTY layout
Keyboard size:100*240mm
Projected keyboard location:100 mm distance from device
Required projection surface:Non-reflective,opaque flat surface
Detection rate:350 Characters per minute
Operative surface:Any flat surface
Work environment:0 ~ 35 Deg/90 % RH
Save environment:-5 ~ 35 Deg/90 % RH
External power source:USB power/less than 5V 1A
Power source:Built-in Li-polymer rechargeable battery
Battery:700mAh
Frequency range:2402-2480 MHz
Channel:79
Modulation:GFSK
Note:Not recommanded for use in direct sunlight
Good to use:

1 Compact and ultra-portable for mobility
2 English QWERTY keyboard layout
3 Easy connection via Bluetooth 2.0 HID profile or USB

Package includes:
1 x Laser Project Keyboard
1 x USB Cable
1 x User Manual