Bluetooth protocol5.4
Waterproof performanceIPX4
Is it a single pair of ears?Bilateral stereo sou...
Chip typeJerry
Is it a special supply source for cross-border export?Yes
Mold typePrivate model
Main downstream platformebay,Amazon,wish,Ali...
Patent numberZL 2021 3 0714777.5
Patent typeDesign patent
BrandVocal master
FunctionWireless charging,23...
How to useEarplug type
Is it a patented supply?Yes
Battery life4-8 hours
Year/season of launch2021
Transmission range10m
MaterialPlastic
Main sales areasAfrican,Europe,South...
ColorI31 black
There are authorizable private brandsNo
StyleCreative design
Item numberi31
Support customizationSupport