1. Color: Black, Beige, Blue, Purple
2. Bluetooth 5.3; chip: JL7003
3. Battery capacity: 500mAh; Charging time: 3 hours
4. Use time: 80 hours
5. Size: total length of headphones 90cm; Weight: 43g
6. Support Chinese and English prompt sound: double-click the multi-function key when it is not paired
