1. Color: Black, White
2. Bluetooth 5.3; chip: JL AC6983
3. Battery capacity: charging compartment 250mAh; Headphones 30mAh
4. Use time: 4 hours; Standby time: 150 hours
5. Size: 44*44*21.5mm; Total weight: 35g
6. Support master-slave switching, up and down switching, summoning Siri, binaural call, pressure-sensitive operation, with lanyard
