1. Bluetooth 5.4; Chip: Blue trum 5656C
2. Battery capacity: Charging case 500mAh; headset 60mAh
3. Usage time: 8 hours
4. Material: ABS; Size: 80.5 * 67.5 * 27mm; Total weight: 81g
5. Support Hall switch and digital display of charging capacity in the charging case
