Device Compatibility BluetoothYes General Specifications Weight (kg)130 g Bluetooth version4.1 Support:A2DP V1.2, AVRCP V1.4, HFP V1.6, HSP V1.2Yes Audio Specifications Transducer1 x 40mm Output power3.0W Frequency response180Hz – 20kHz Signal-to-noise ratio≥80dB Dimensions Dimensions (H x W x D)68.3 x 82.7 x 30.8 (mm) Weight130g Battery Battery typeLithium-ion polymer (3.7V, 600mAh) Battery charge time1.5 hours Music playing timeup to 5 hours (varies by volume level and audio content)