Specification:
Transmission range: 10 meters
Function: battery display, call function, voice control, support music
Bluetooth protocol: 5.0
Channel: Stereo
How to use: earplugs
Whether single or binaural: bilateral stereo
Applicable gift-giving occasions: weddings, birthdays, festivals, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards ccommemoration, public relations planning

Packing list:
Bluetooth headset *1 pair