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. 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 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. Specifications: Keyboard layout 19mm, sized QWERTY layout Projection size 250mm(W)*110mm(H) Keyboard location Approx. 100mm from keyboard device Physical Dimension 7.5*3.7*2cm Power source The USB power, lower 1A @5V Battery capacity Polymer rechargeable battery, 1000mAH(Max)@ 3.7V 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 2402-2480 MHz Color: black Laser output power: Packet content: 1 * Laser Virtual Projection keyboard 1 * USB cable
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