Specification:

Product Features:
English QWERTY keyboard layout.
Truly portable design:perfect for on-the-go
Full size key pitch and shortcut keys for ease of operation
Superior durability (No moving component inside)
Built-in Lithium-ion Polymer rechargeable battery for  mobility and convenience
Compatible with latest operating systems: Windows XP & later, Windows Phone 7 & later, iOS4 and later, Android 2.1 and later, Mac OS X & later.

How This Product Works:
This product emits infrared light from the lower end of the product to detect objects such as fingers. When an object passes through the are illuminated by the infrared light source, any infrared light reflecting off an object is detected by the sensor.
Information on the position and movement of the object is then analyzed to perform the product’s role as a keyboard.

Conditions  to Avoid:
1. Avoid direct sunlight.
2. Avoid low color temperature light source, such as tungsten, halogen, or incandescent lamp.
3. Avoid uneven or irregular surfaces. Place the product on flat surfaces.
4. Avoid a table or surface that is as transparent or reflective as glass or mirror.
5. Avoid placing 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

Caution:
Although this equipment is classified as Class 2  laser product, for your safety, do not directly expose your eyes to pattern projection beams orinfrared rays.
1. For safety reasons, be sure to use only the microUSB  to USB cable specified for this product.
2. Make sure to fully charge the battery before using the product for the first time.
3. Battery charging times may vary slightly depending on the ambient temperature.
4. The battery may not be charged to 100 percent of its rated cell capacity even when the charging indicate LED goes out.
5. Using or storing the battery in high t