Bluetooth solution: JL7003A8 (ENC)
Bluetooth version: V5.3
Support system: Android/Apple/PC
Earphone battery capacity: 35mAh*2
Charging box battery capacity: 500mAh
Impedance: 16Ω ±15%
Speaker diameter: Φ6 mm dynamic driver
Playing time: 5H * 5 times, total 30H (50% volume)
Sensitivity: 104±3dB
Earphone charging time: about 1.5 H
Charging time of charging box: about 2.0 H
Waterproof grade: structural waterproof