JBL T120BT Bluetooth 4.2 Magnetic Neck-mounted Sport Wireless Bluetooth Earphone with microphone (Red)

1. Unit size: 9mm
2. Output power: 3W
3. Frequency range: 20Hz-20KHz
4. Charging time: 2 hours
5. Playing time: 8 hours
6. Magnetic design to prevent cable entanglement
7. Built-in microphone, easy to control music or answer incoming calls
8. IPX4 waterproof function
9. Ergonomic design, comfortable to wear
10. Charging port: Micro USB