Communication : Wireless
Connectors : None
Wireless Type : Bluetooth
Vocalism Principle : Other
Control Button : No
Volume Control : Yes
Active Noise-Cancellation : Yes
Function : For Mobile Phone,HiFi Headphone,For iPod,Sport,Common Headphone
Plug Type : Wireless
Sensitivity : 120±5dB
Frequency Response Range : 20-20000Hz
Resistance : 32Ω
Waterproof : No
Model Number : i100 TWS
Support Memory Card : No
Support APP : No
Is wireless : Yes
With Microphone : Yes
Codecs : Apt-X HD
Brand Name : OLPAY
Line Length : 0
Features1 : earphone&headphone
Features2 : bluetooth earphone
Features3 : wireless earphone
Features4 : tws
Features5 : with good chip

If you are unsatisfied with your item for any reason, return it within 30 days of delivery.