1, Bluetooth 5.3; Chip: JL AC7006-2. Battery capacity: 800mAh; charging about 2.5 hours-3. Use time: 120 hours; Standby time: 1200 hours-4. Material: ABS；The total length of the headset is 96cm; weight: 50g-5. Support Bluetooth, TF card (≤32G) playback-6. Support Chinese and English prompt tone: double-click the multi-function key in unpaired state-7, 800mAh large battery, 120 hours of super battery life, fast charging only takes 2.5 hours