Patent typeDesign patent
BrandErmai
Built-in batteryNo battery
Frequency response range20Hz-20KHz
Battery capacity0MA
Overall dimensions?9.7X6.7mm
ColorBlack
Specifications3m (3.5mm elbow mono...
Item numberZJ025MR
Rated power3
Time on the market2017
Microphone typeSpecial microphone f...
With wirelessHave
Radio headCapacitance
After-sales serviceStore three guarante...
Patent numberZL202130616103.1
Applicable objectsHome use,Computer,Ca...
ModelZJ025MR
Is it a patented supply?Yes
Signal-to-noise ratio≥70db
Input voltage3V
Main sales areasJapanese and korean,...
Directional characteristicsFull point/no point
OriginDongguan
Bluetooth version2.1