• Realtek, RTL8773B
• Master-slave control, touch operation
• Version 5.0, IPX5
• Charging base 400mAh
• Earbuds each 40mAh
• Non-stop playing time: 4-5 hours
• Impedance: 16Ω
• Sensitivity(SPK): 95±3dB@1KHz
• USB: Type-C cable
• Earbuds size: 38.0*19.5*24.5mm
• Charing box size: 68.0*68.0*34.0mm