Écouteurs professionnels avec affichage numérique et compartiment de charge

Product information:

Bluetooth version: 5.2
Bluetooth distance: approximately 10 meters
Headphone battery: 300MAH
Rechargeable battery: 2200MAH
Listening to songs, talk time: approximately 68 hours
Charging time: approximately 2 hours
Universal for left and right ears, rotatable
Battery type: lithium polymer battery
Support protocol: HEP\HSP\A2D\AVRCP
Process material: ABS+plating+food grade silicone ear caps
Frequency: 20Hz-20KHz
Impedance: 32 ohms Sensitivity: 85dB/mW

Packing list:

Charging cable + pair of earphones + ear caps*1