AURIN&reg; Outdoor Mini Portable Waterproof Drop resistance Rubber Bluetooth Wireless Stereo Speakers with build-in Microphone and wristband-Blue The perfect Bluetooth speaker for iPhone, iPad, iPod, MacBook, Samsung Galaxy s4 and s3, Galaxy Note, Amazon Kindle Fire HD, HTC Droid and One S, Nexus 7, Nexus 4, and all tablets, Smart Phones and PCs Amazing sound for music, movies, games & gatherings Built-in Li-Ion Rechargeable Battery for up to 10 hours of playtime. Built-in microphone for hands-free speaker phone calling Easy to pair - No code/pin needed Waterproof and drop resistance rubber case design, perfect for both home use and travel use Up to 7 hours playtime powered by an internal long-lasting rechargeable lithium battery makes you freely enjoy the joy of music