Mcoplus Ultra Portable Waterproof Bluetooth Wireless Speaker with Dustproof ShockProof - Green 2015 New Released Super Crystal Clear Sound. High Quality From This Incredible 3W Power Device. Smooth Surface designed to be Waterproof ,Dustproof and Shockproof. 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 In The Shower, Biking, Hiking, Business trip, Anywhere You Want Compatibility All Bluetooth Enabled Device, TF Card Slot, AUX In, USB Charging. Water Resistant Level: IPX5. Use The Water-resistant Bluetooth Speaker To Stream Music From An IPhone or Android Smartphone, an iPad or Android Tablet, an iPod Touch Or Even a Computer Or Laptop With Bluetooth Continuous Playback Time Up To 4 Hours Of Music At 80% Volume.Fully Charge The Device Within 2Hours.Led Light With Battery Level Indicator. It Uses Bluetooth 4.0 Technology,It Parirs With Portable Devices Much More Quickyly Than Others, It is Distance &lt; 33feet,So You Can Listen To You Device Even When It is Far Away