PYRUS Mini Portable Silicone Water Resistant Bluetooth Speaker with Dustproof ShockProof and Microfiber Cleaner Outdoor Sports Travel Wireless Speaker-Blue Simple and stylish, super good quality. Feel free to enjoy the music to bring you a good mood. Smooth surface designed to be Dustproof, Shockproof. Ultra lightweight: Only 2.3 ounces. The Speaker can be part of your clothing. The easiest way to wear your bluetooth speaker on you. Great for both outdoor and indoor use. You can now listen to music when biking, hiking, business trip, anywhere you like. Compatibility: All Bluetooth enabled device, TF Card Slot, AUX in. Support TF card(micro SD TF card)with TF card slot, can play MP3 format files in the TF card Built in rechargeable battery, charged by computer via USB interface. Up to 4 hours of music at 80% volume. Fully Charge the device within 1 hour. LED light with battery level indicator. Brand New and High quality wireless portable outdoor speaker from PYRUS, sold by EPYRUS ONLY!