1,Bluetooth Speaker for Phone 2,Bluetooth4.0 speaker 3,Use for I-PHONE, I-PAD. 4,Best quality stereo CODEC Bluetooth Speaker for Phone Bluetooth ®4.0 APt-XIntegrated High quality Stereo CODECFull USB SupportDSP music enhancementsFrequency response 50Hz ~ 25kHzDynamicrange 96dBSupport to apt-X, AACSupport to iPhone, iPad, Gallaxy, Gallaxy NoteRemote controlNeodymium magnet 3inch kevlar(aramid) ...