Function
Waterproof, Noise Cancelling, Microphone, LED Display, Power Bank
Use
Portable Media Player, Mobile Phone, Gaming, Sports, Travel, For iPod, HiFi Headphone
Active Noise-Cancellation
Yes
Place of Origin
China,Guangdong
Radio carrier frequency
2402MHz-2480MHz
Audio frequency response range
20Hz-20KHz
work translation
3.7V ~ 4.2V