Brand: Marvel
Transmission range: 10 meters
Function: power display, call function, NFC function, voice control, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: earplugs
Whether single ear or double ear: bilateral stereo
Applicable gift-giving occasions: weddings, birthdays, festivals, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards commemoration, public relations planning
Color: Iron Man (red), Captain America (blue), Spiderman (black)
Battery life: 10 (hours)