Neck mounted wireless earphone

1. BT 5.4; Chip: AB5659;
2. Battery capacity: 200mAh; Charging time: 1.5h;
3. Use time: about 30h; Standby time: about 400H;
4. BT name: KAKU-HY; length 100cm;
5. Automatic magnetic absorption design, no entanglement and more convenient
6. Ergonomic fit design