Bluedio V5.0 Bluetooth Headphones Over Ear Wireless Bluetooth On-Ear Stereo Earphones Noise Cancelling Soft Memory-Protein Earmuffs w/Mic

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