Product Description
Our company pushes out a new electronic product recently---projection laser keyboard.
Following are some information of it for your more understand of it:
Features:
1. Compact and ultra-portable for mobility
2. English QWERTY keyboard layout
3. Easy connection via Bluetooth 3.0 HID profile or USB
4. Lithium-ion Polymer rechargeable battery, Mini-B Type charge interface
5. Compatible with latest operating systems:
6. Windows XP/VISTA/7/8, Windows Phone 7, IOS4/5/6, Android 3.1 higher, Mac OS X.
Parameter:
Physical dimensions: 38 x 75 x 18mm
Weight: approx 40g
Keyboard light source: red laser diode
Keyboard language: English
Keyboard layout: 20.8mm sized Qwerty layout
Projection size: approx 241*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