Wireless Virtual Bluetooth Laser keyboard

Features: 100% brand new and high quality!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 convenienceCompatible with latest operating systems: for Windows XP & later, for Windows Phone 7 & later, for iOS4 and later, for Android 2.1 and later, for Mac OS X & later. Specification: Pattern Projector keyboard layout Approx. 19mm PitchLight source:red laserKeyboard(mouse) size: Approx. Width : 240mm, Height: 100mmKeyboard(mouse) Location: Approx. 80mm from the bottom of deviceProject Surface: Non-reflective, opaque flat surfaceRecognition Rate: Approx. up to 350 characters per minuteOperating Surface: Any firm flat surfaceExternal Power Supply: USB Power / less than 5V 500mABattery & Capacity: Lithium-ion Polymer Battery,700mAh(MA X) @ 3.7VBattery Operating Time: Approx. 150minBattery Charging Time: Approx. 90minBluetooth(bm20730): V3.0, HID Profile Ver 1.0Frequency Range: 2402-2480MHzChannel: 79Modulation: GFSKProduct Size (mm): 78mm x 40mm x 20mmProduct Weight (g): 60gcolors: white, black Package Included: 1 x Laser projection keyboard1 x USB Cable1 x User's Manual1 x Quick Start Guide