Bàn Phím Chiếu Laser Ảo Không Dây Bluetooth Cho Pc Tablet Laptop Ir

❤️❤️Welcome to my shop❤️❤️ Do not forget to follow my store to get the most cost-effective products Product Feature: This projection keyboard will work via Bluetooth HID.connection to main devices, like Tablet PC,Smartphone, Desttop PC and Video game.As a new input device,using the built-in infrared laser transmitter to project the standard keyboard on the working surface, you can locate the click position and input the information by the method of optical identification.without physical keyboard,small size, easy to carry, this projection keyboard can adapt to most of the working environment. Product Detail ： ——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. Product Specification: Pattern Projector Light Source: RED laser diode Keyboard layout: Approx.19mm Pitch,QWERTY layout Keyboard size: Approx.Width:250mm,Height:100mm Keyboard location: Approx.80mm from the bottom of the 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 & operating: 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 Package Included: 1x Laser projection keyboar 1x Usb cable 1x User manual