Bluedio Bluetooth 5.0 Headphones Over Ear, Wireless and Wired Bluetooth On-Ear Stereo Earphones Noise Cancelling Headsets with Microphone, Line-in/Line-Out/Amazon Web Service/Voice Contrl (White)

About Bluedio: 
Bluedio is a pioneer in portable audio device, providing solutions to professional audio and wireless communication. Bluedio always strives for perfection, fashion and simplicity, focusing on revolutionary innovations. So far, Bluedio has owned over 30 patents, highly praised by consumers over 34 countries. 

Echo Suppression:
Headphone eliminates echo impact to the voice signal.

Extra Music Time:
Add a audio cable to listen favorite tracks.

Share Music:
Audio sharing with your friend instantly, headphone also works as bluetooth receiver when connects to amplifier.

Feature:
Total Harmonic Distortion (THD): < 0.5%
Bluetooth Version: 5.0
Support: A2DP, AVRCP, HTSP, HTFP
Communication Distance: 10 Meters
Dynamic Range: 118 dB
Drive Unit: 57 mm
Horn Impedance: 16
Four Language Voice Prompts: English / Chinese / Spanish / French

Pairing Tip:
When pairing, you need to make sure the headphones have entered pairing mode, here is how to enter pairing mode: When the headphones are off (If not, turn off the headphones first), press and hold the Power Button until you see the blue light stays on (instead of blinking). 

Warranty:
We offer 30 days with no reason to return for your Bluedio bluetooth headphone. And 12 Months worry free warranty.

In the box:  
Bluedio HT wireless headphones  
Micro USB charging cable  
3.5mm Audio cable  
User manual