Features:

• Bluetooth: 5.0
• Speaker driver diameter: 8mm 
• Speaker driver sensitivity: 110dB±3dB
• Impedance: 32Ω±15%
• Frequency respond: 20HZ-20KHZ
• Charging cabin battery capacity: 300mah dual MOS protection
• Earbuds battery capacity: 30mah
• Music play time: 5h; Call time: 6h;
• Charging time: 1h; Stand by: 12h
• Charging port: micro USB