Drive Unit: 40mm
Battery Capacity: 300mAh
Impedance: 32Ω
Sensitivity: 105DB±3DB
Transmission: ≤10M
Charging voltage: DC5V
Play back Time: 8-10H
Standby time: 2 months
Charge time: 2-3H
Compatibility: For most of mobile phone/portable media Player/IPad/PC
Certifications: CE/FCC/RoHS
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