Fineblue J1 Pro Bluetooth 5.0 TWS Wireless Bluetooth Earphone

1. Connection: Bluetooth 5.0, effective distance within 10m
2. Speaker size: 14x 2.0mm, full range 3D stereo cavity, high strength NdFeB magnet
3. Headphone: 17x40x19mm
4. Charging case: 52x45x27mm
5. Material: ABS + Alloy oxidation blasting + PC
6. Function: TWS automatic pairing, automatic connection, stereo surround sound field, heavy bass
Light sensor in-ear detection, Air true wireless master-slave switch, Ai voice control with one touch, adjustable volume, can cut songs
7. Electricity: Earphone: Lithium polymer battery (400909 / about 30MAH)
8. Listening time: about 3 hours
9. Talk time: about 3.5 hours
10. With the charging case, you can increase the charge of both ears 3-4 times
11. Charging time: about 1.5 hours
12. Standby time: about 60 hours