4-Speaker system for dynamic sound</br>Rechargeable battery for up to 8 hours of playtime</br>Bluetooth wireless functionality up to 30 feet?? with speakerphone mode to switch from music to calls</br>Perfectly portable: goes anywhere you go</br>Voice prompts guide you through pairing and charging</br></br>Product Description</br></br>The Jam Rewind Wireless Speaker features a four speaker system for dynamic sound?? with a rechargeable battery for up to 8 hours of playtime. Bluetooth wireless functionality works up to 30 feet?? with speakerphone mode to switch from music to calls. Works with your Apple iPhone?? iPad?? Google Android?? or other Bluetooth enabled smart phone or electronics. The Rewind is perfectly portable: it goes anywhere you go. Voice prompts guide you through Bluetooth pairing and charging.</br><br/>http://www.amazon.com/gp/product/B00L23RFUW