Connection type Wireless Connectivity Bluetooth 5.2 Driver size 12 mm Driver Sensitivity 110 1kHz/1mW Dynamic frequency response range 20 Hz – 20 kHz

Connection Bluetooth 5.1 Battery Type Polymer Li-ion 17.28 Wh Charging time 2.5 hours Battery autonomy 12 hours Bluetooth profile A2DP 1.3, AVRCP 1.6

Output power 4.2 Watt RMS Bluetooth version 5.1 Frequency response 110 Hz - 20 kHz Waterproof and dustproof IP67

Output power 4.2 Watt RMS Bluetooth version 5.1 Frequency response 110 Hz - 20 kHz Waterproof and dustproof IP67

Power 3.1 Watt RMS Connection Bluetooth 4.2 Bluetooth profile A2DP V1.2, AVRCP V1.5 Maximum music playback time 5 hours Battery type 2.7 Wh lithium ion polymer