KB320 New Projection Keyboard Wireless Bluetooth Virtual Projector Keyboard With Mouse Function Suitable For Mobile Phone Tablet
Main Feature:
- English QWERTY keyboard layout. 
- Mouse function. 
- Truly portable design: perfect for on-the-go.
- Full size key pitch and shortcut keys for ease of operation.
- Built-in Lithium-ion Polymer rechargeable battery for mobility and convenience.
- Compatible with latest operating systems: Windows XP & later, Windows Phone 7 & later, iOS 4 and later, Android 2.1 and later, OS X & later.  
Specifications:
Pattern Projector:
Light Source: Red Laser Diode
Keyboard Layout: Approx. 19mm Pitch, QWERTY Layout
Keyboard Size: Approx. Width : 240mm, Height: 100mm
Keyboard Location: Approx. 80mm from the bottom of device
Project Surface: Non-reflective, opaque flat surface 
Keyboard Sensor:
Recognition Rate: Approx. up to 350 characters per minute
Operating Surface: Any firm flat surface
Electrical Characteristics
External Power Supply: USB Power / less than 5V 500mA
Battery & Capacity: Lithium-ion Polymer Battery, 600mAh(MA X) 3.7V
Battery Operating Time: Approx. 120min
Battery Charging Time: Approx. 120min
Bluetooth: V3.0, HID Profile Ver 1.0
Frequency Range: 2402-2480MHz
Channel: 79
Modulation: GFSK
Environmental Conditions
Operating Temperature: 0 ~ 35°C / 90%RH
Storage Temperature: -5 ~ 35°C / ~90%RH
Dimensions and Weight Specifications
Product size: 77  * 26  * 20mm / 3.03 * 1.02 * 0.79inch
Color:Black
Net weight: 40g
Note: 
1. iOS devices do not support mouse function.
2. Because this product uses infrared rays, strong infrared radiation from direct or reflected sunlight or from tungsten (halogen or incandescent) lighting may cause operating error.
Package Contents:
1 x Laser Projection Keyboard
1 x USB Cable
1 x User Manual