• BK, 3266
• Master-slave control, touch operation
• Version 5.0, IPX5
• Charging base 200mAh
• Earbuds each 30mAh
• Non-stop playing time: 2-3 hours
• Speaker: Φ6mm
• Impedance: 16Ω
• Sensitivity(SPK): 95±3dB@1KHz
• USB: Type-C cable
• Earbuds size: 15.5*16.5*14.0mm
• Charing box size: 25.0*25.0*60.0mm