Product information:
Bluetooth protocol: 5.0
Channel: stereo
How to use: earplug style
Single or dual ear: bilateral stereo
Bluetooth version: V5.1
Noise reduction version: cVC8.0
Working distance: connect within 10 meters
Single ear capacity: 50 mA
Charging bay capacity: 2000 mA
Endurance time: accumulated about 220 hours (need to be used in conjunction with the charging bay)
Talk time: about 180 hours accumulated (need to be used with charging bay)
Headphone charging: about 40 times
Charging bay input current: 5V 1A
Magnetic absorption function: magnetic absorption nano-charging
Control method: touch operation
Color: R12 luxury mirror version│black [with flashlight + emergency charging for mobile phone + 5.1 automatic seamless docking], R12 luxury mirror version │ white [with flashlight + emergency charging For mobile phone + 5.1 automatic seamless docking], F9-47 flagship Large screen version│Black [with flashlight + emergency charging for mobile phone + 5.1 automatic seamless docking], F9-47 flagship large screen version │ white [with flashlight + emergency charging for mobile phone + 5.1 automatic seamless docking]

Packing list:
Headphone*2
Charging compartment*1