Product information:

Transmission range: 15 meters
Function: battery display, call function, voice control, support music
Bluetooth protocol: 5.3
Channel: Stereo
How to use: earplugs
Whether single or binaural: bilateral stereo
Color: M3 black, M3 white, M5 black, M5 white, M5 yellow, M8 black, M8 white, M8 blue, M8 pink, M9 black, M9 white, M9 blue, M9 pink, M10 black, M10 white, M10 yellow, M12 Black, M12 White, M12 Purple, M12 Pink, M12 Yellow, M12 Green, M13 Black, M13 White, M13 Purple, M13 Pink, M13 Green, M13 Yellow

Packing list:

Headphone*1pair
Charging compartment*1
Data cable*1
Ear cap*3pair

New Black Technology Bluetooth Headset In-ear Noise Reduction