Dimensions:· Length (each side): 102 mm· Diameter: 60mmSilicone cable dimensions:· Length: 437mm· Diameter: 8mm· Width: 10mmElectronics Specs:· Amplifier Output: 2x2w RMS· Battery: 3.7V 1100mAh rechargeable Lithium-ion battery· Frequency response: 80Hz-20kkHz (+/-3db)· Built in Microphone· 2x LED light· Bluetooth Version 3.0 ISSC· Drivers: 2x 1.5" (NdFeB) 2x2" Passive RadiatorConnectivity:· Micro USB for battery charging· 3.5mm Aux in· BluetoothOther Features· Customized Sound Hints