Brand Name: YUDADIY
Style: In-Ear
Communication: Wireless
Connectors: USB
Wireless Type: Bluetooth
Vocalism Principle: Dynamic
Control Button: Yes
Volume Control: Yes
Active Noise-Cancellation: Yes
Function: Sport,Common Headphone,For iPod,For Mobile Phone
Plug Type: Wireless
Sensitivity: 110dB
Frequency Response Range: 20-20000Hz
Line Length: 0.6m
Resistance: 16Ω
Waterproof: No
Model Number: D9 High fidelity Headphone
Support Apt-x: No
Support Memory Card: No
Support APP: No
Is wireless: Yes
With Microphone: Yes
Channel: Stereo
Function 1: Bluetooth 4.1 connection smart watch or phone
Function 2: Anti-sweat
Function 3: High fidelity bass
Material: Aluminum-magnesium alloy
Usage A: Sports fitness
Usage B: Drive a car or ride a bicycle
Usage C: Working time
Usage D: Rest time