MeGooDo EARSON Outdoor Waterproof Shockproof Wireless Bluetooth Speaker For ipod iphone No More Tangled Wires ! Perfect sound quality and bass effect, when you go out to enjoy unfettered music anywhere, A2DP stereo Bluetooth transmission. Waterproof, Dustproof, Anti-scratch, Shockproof, suitable for both indoor and outdoor exercise. Aux in function support all digital audio device with 3.5mm jack, such as iPod/iPhone/ipad,Cell phone,MP3, MP4,Computer, Notebook, PSP... 1500mA high capacity built-in rechargeable battery, playtime lasts for 5 hours at least. Hands-free mode answering and calling back with 10m bluetooth connecting rage .4W strong output power with outstanding sound quality.