Function: call function, support music
Custom processing: Yes
Bluetooth protocol: 5.0
Channel: stereo
How to use: Earplug type
Single or dual ear: bilateral stereo
Applicable gift-giving occasions: opening ceremony, employee benefits, anniversary celebrations, awards commemorations, trade fairs, advertising promotions, festivals, weddings, housewarming, public relations planning, birthdays, business gifts
Colour: Black
