Goldenwide&reg; Outdoor Sports Waterproof Shockproof Dust-proof Portable Bluetooth Wireless Speaker with Built in Mic and Rechargeable Li-polymer Battery Hands Free Call,AUX Input, good for Iphone/Ipod/Android Smart Phone/Laptop/Tablet/Other Audio Devices (Orange) Built-in Li-ion rechargeable battery enables you to enjoy up to 6-8 Hours of uninterrupted playback time. Metal hook loop for easy attachment while camping, hiking, biking, etc. Doubles as a shower speaker. Easy-pushbutton controls, full range stereo sound & bass output. Work with PC, laptop, tablet PC,iPhone, android phone, smart phone, MP3, iPod or other audio devices. Waterproof (Do not submerge), dustproof, shockproof, anti-scratch, rechargeable, high temperature resistant, suitable for both indoor and outdoor exercises. Bluetooth works with all your favorite bluetooth devices(iPhone, android, smartphone, iPad, tablet, MP3 player, PC, etc.).