Magnetic neckband

1.Bluetooth solution: JL7003
2.Bluetooth version: Bluetooth V5.3
3.Speaker unit: Φ14.2mm copper ring speaker
4.Charging input standard: DC5V-500mA Type-C USB
Charging time: about 3 hours
5.Capacity battery: 400mAh (80% volume）
6.The earphones can be magnetically absorbed.