ES17 Cool music sporting Bluetooth 4.2 earphones with neck band 100mAh battery for 6 hours music playback hands free lightweight headset with mic.
1. Bluetooth specification: V4.2 WT.
2. Transmission range: 10 meters, transmission frequency: 2.4GHz.
3. Charging voltage: DC5V, line length: 65cm.
4. Charging time is about 2 hours, battery capacity: 100mAh.
5. Talking time: 6 hours, music time: 6 hours, standby time: 180 hours.
6. Weight: 16g.
7. Battery level display, supports Apple iPhone and some Android phones.