Lanzhd Portable Wireless Bluetooth Remote Controller Gamepad Gaming Joystick Selfie Shutter for Ios Android Smart Phone (Black+orange) Lightweight, carry in pocket or on key ring Built-in 3.7V 180mA rechargeable lithium battery, continuous work 40 hours Play games, taking pictures, listening to music, VR resources, 3d games, e-books flip though romote control Used as selfie remote control through bluetooth Compatible with IOS, android, PC system; Can be used in mobile phones, tablet PC, computers