JAM Plus Portable Speaker, Pair 2 for Stereo Sound, Perfect for Travel, Kitchen, Office, Dorm Room, Incredible Sound, Small Speaker, iPhone, Android, Rechargeable Battery, HX-P240PU Purple Jam Plus feature allows you to pair a 2nd Jam Plus speaker for true stereo sound 4 hours of wireless play Rechargeable battery Wireless up to 30' Line-in for connecting non-Bluetooth devices