"1. Bluetooth 5.3;
2. chip: JL AC7026A + touch + OVP; dual mode chip
3. Battery capacity: 300mAh;
4. Charging time: about 1.5 hours; play time: about 40 hours; standby time: about 200 days
5. Automatic magnetic absorber design, more convenient without winding
6. Liquid silicone collar, more comfortable to wear"
