1, Bluetooth 5.3; chip:JL7006F4-2, Battery capacity: 800mAh; Charging time: about 2 hours-3. Use time: 90 hours; Standby time: 200 hours-4, Material: ABS；Size: 20417482mm; Weight: 262g-5. Support Bluetooth, AUX, TF card mode-6. Support Chinese and English prompt sound: double-click the M key when not paired-7, 90 hours of long battery life