Portable USB Wireless Bluetooth Contact Projection Laser Virtual Keyboard

Model Number: gdl001 Brand Name: earteana Key Specifications/Special Features: 1. GDL001 laser virtual keyboard product overview Compact and ultra-portable for mobility English QWERTY keyboard layout Easy connection via Bluetooth 3.0 HID profile or USB Lithium-ion polymer rechargeable battery, mini-B type charge interface Compatible with latest operating systems: Windows XP/VISTA/7/8, Windows Phone 7, iOS4/5/6 (iPhone and iPad) Android 3.1 higher, Mac OS X2. GDL001 laser virtual keyboard package contents Laser keyboard USB cable
User’s guide

3. How this product works
When the user presses a key on the projected keyboard, the infrared layer is interrupted, this produces IR reflections that are recognized by the sensor in three dimensions, allowing the system to assign a coordinate

Conditions to avoid
Avoid direct sunlight
Avoid low color temperature light source, such as tungsten, halogen, or incandescent lamp
Avoid uneven or irregular surface, put the product on flat, opaque surface
Avoid putting any objects within the space between the main unit and the laser projected keyboard layout

Note:
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