BTC Virtual Keyboard Ultra-Portable Wireless Bluetooth Laser Projection Keyboard for Apple iPhone 6 iPad iOS Android Samsung Galaxy Tab, Black Cutting-edge design really cool to show off to your friends: futuristic look sci-fi movie right into your office Virtual keyboard bluetooth built-in a mini speaker, customizable with adjustable volume, brightness Virtual keyboard for android, it has a built-in rechargeable 1000mAh battery that's expected to last for around 2 hours Fast and accurate date input and English qwerty keyboard layout detection rate over 400 characters per minute and low power consumption The rectangular atongm laser keyboard easily fits into your pocket or bag, it's 7.5 cm high by 3.8Cm wide, making it eminently portable