Short Description: Bluetooth Laser Projection Virtual Keyboard Wireless Virtual Laser Keyboard for PC, Laptop, Tablet and smart phones. Our product connects to your device via bluetooth/USB. That's to say, if your device supports bluetooth/USB connection, our laser keyboard can support your device.and the language is marching to your device automatically.That's to say,if your device is Russian/English/Spanish.....,our laser keyboard can support your device in Russian/English/Spanish.....automatically.

Item	Description
Keyboard light source	Red laser diode
Keyboard layout	Approx.19mm incline, sized QWERTY layout
Projection size	245mm(W)*110mm(H)
Keyboard location	Approx. 100mm from keyboard device
Required projection surface	Non-reflective, opaque flat surface
Recognition rate	Over 350 characters per minute
Operation Surface	Any opaque flat surface
Working Temperature	Approx. -10~40°C/90%RH
Storage Temperature	Approx. -20~40°C°C/~90%RH
Physical Dimension	38mmx75mmx18mm
weight	Approx. 62g
Output	The USB power, Lower 1A @ 5V
Battery capacity:	Polymer rechargeable battery,700mAH(Max)@3.7V
Battery working time	120 minutes
Battery charging time	200 minutes
USB interface	USB 1.1 and 2.0. USB HID Ver. 1.0
Bluetooth	V3.0(class 2), HID Profile Ver. 1.0
Frequency Range	2402-2480MHz
Channel	79
Modulation	GFSK