Item No. B22
Transmission range 10 meters
Function call function
Processing custom no
channel stereo
How to use head-mounted
Whether single or double ear bilateral stereo
Suitable for 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 black, black gray, red, blue
Battery life 10 (hours)