Features: 1. Virtual projection keyboard: More stable and smarter; better enhance the buyer's experience. Easy to move. 2. Clear resolution: One-key to turn on/off, easy connection to Bluetooth technology, British QWERTY keyboard layout, fast and accurate data input. The keyboard is equipped with a mini Bluetooth speaker, which supports voice reports and music playback. 3. Power supply: Lithium-ion polymer battery, Mini-B charging interface, support USB interface and Bluetooth at the same time, the connection with mobile devices is very convenient. 4. Compatible with new devices: Compatible with for Windows XP/VISTA/7/8, for Windows Phone 7, for iOS 4/5/6, for Android 3.1 and higher, for OS X. 5. Portable: Fast and portable, ubiquitous information, you can take it with you. It can be placed indoors and outdoors, offices, rooms, restaurants and other places. It is a good helper in life. It's also a perfect gift for family and friends. specification:: Material: plastic Size: 78 * 40 * 19mm Battery capacity: 2500mAh Working time: 120 minutes Charging time: 120 minutes Projection size: width: 250mm, height: 100mm. Description: After picking up a certain angle, the projection will automatically turn off, which is more intelligent and intimate. Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. PackageList:1 * Projection Virtual Keyboard