Product information:
Color: Black F3, white F3, yellow F3, black F1, ear-mounted welfare headset no refund or exchange
Chip type: Jerry
Usage: earplug
Transmission range: 10 meters
Channel: Stereo
Applicable occasions for gifts: wedding, birthday, festival, housewarming, trade fair, advertising promotion, employee benefits, anniversary celebration, business gifts, Opening Ceremony, awards commemoration, public relations planning
Battery life: 5-6
Function: power display, call function, support music