Ultra-portable full-size virtual keyboard for Iphone ipad and all android smartphone

Specifications 1> 2014 new virtual keyboard.

2> virtual keyboard for smartphone.

3> Portable virtual keyboard.

2014 New arrive virtual Laser projection keyboard for smartphone; tablet PC or Laptop. Model: Vin-KB11 Colors: White and black         Specifications:    

Physical Dimension:	36mm x 74mm x 18mm
Weight:	Approx. 40g
Keyboard light source:	Red laser diode
Keyboard language:	English
Keyboard layout:	20.8mm sized QWERTY layout
Projection size:	Approx. 241mm*101mm
Projected Keyboard location:	Approx. 97.9mm from keyboard device
Keystroke Sound:	Built in buzzer(Mute on/off the sound)
Visibility:	Good contrast up to 1800 lux ambient illumination
Detection rate:	Over 400 characters per minute
Detection algorithm:	Multiple key stroke support
Effective key stroke:	Approx. 2mm
Required projection surface:	Non-reflective, opaque flat surface
Power source:	The USB bus power
	Lithium-ion battery power
	The DC input power
Battery capacity:	700mAH(Max) 3.7V Replaceable soft-pack type
Charger:	Rating 800mA @ 5V
Interface:	USB 1.1 and 2.0 for PC
	Bluetooth(v2.0 class 2,class 3 )HID  for Mobile devices
Switch mode:	Switch the active/Standby mode manually
Power consumption:	max. 2.4W 4.2V
Use temperature:	Approx. 0~50°C
Storage temperature:	Approx. -20~50°C
Software compatibility:	All USB HID Compliant OS, All Bluetooth HID Compliant Mobile Device, Windows XP/WINDOWS 7 or Higher, LINUX, Ipad ,Iphone,Android 3.1 or Higher