1500mA battery?? 8 hours Playtime</br>Bluetooth 4.0 Enery Saving</br>Built-in MIC Free your hand</br>HD Sound and Bass?? Super Voice Quality</br></br>Product Description</br></br></p>Product Description </p>1.Outdoors and Shower </p>The TPU material cases and interface design ensure Shockproof?? Dustproof Waterproof??level up to IP65?? can be used under harsh environment (such as?? outdoor and shower) </p>2. Enery Saving and Long playtime </p>Buletooth 4.0 </p>Up to 12 hours playtime?? 3