QQ-Tech&reg; Portable Mini Wiraeless Bluetooth Keyboard Handheld with Built-In Multi-Touchpad for Android 3.0 + Tablet / Mac OS / Windows iOS Google Nexus 7 / Google Android TV / iPhone 5 4S 3G / iPad / iPad Mini / Samsung Galaxy S4 S2 S3 / Note 8.0 / HTPC / PC (Bluetooth HID)-White Innovative Unique design; newest 2013 layout and functions guarantee the best handheld control than all other devices! Portable and elegant with backlight, enjoy convenient typing and multi-touch navigation right from your couch; Multi-touchpad and Scroll Bar--allows for scrolling, screen flip, mouse click and Smart Phone... Built-in rechargeable Lithium-ion battery and also auto sleep/wake mode; Friendly easy switch between Android, Mac and Window OS.