Function
bluetooth, Microphone, Waterproof, Noise Cancelling, Over-Ear Headphones
Waterproof Standard
IPX-5
Use
Mobile Phone, COMPUTER, Sports, Travel
Active Noise-Cancellation
Yes
Brand Name
Rambotech OEM ODM
Place of Origin
Guangdong, China
Product Name
ANC wireless headphone ANC21
Battery Capacity
3.7V / 600 mAh
Charing time
about 3 hours
Noise-cancellation
up to 18-20dB
Noise reduction frequency
50-500HZ
Frequency response
20Hz-20KHz