Transmission range: 20 meters
Function: battery display, call function, NFC function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: stereo
Usage: earplug style
Single or dual ear: bilateral stereo
Applicable gift-giving occasions: weddings, birthdays, holidays, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards commemorations, public relations planning
Features: compact and easy to carry
Features: Waterproof
Suitable for the crowd: general
Age: adult
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