[ Bluetooth 5.0] High-fidelity sound quality, greatly improved compatibilities and playback smooth, no voice delay, no interruption, no dropped calls, faster connection speed of mobile devices, more stable signal, low power consumption, strong compatibilities, long-distance transmission, which provides instant pairing and stable transmission without interruptions.[Clear sound quality] special-purpose acoustic engineering technology CVC intelligent noise reduction, patented noise reduction technology eliminates surrounding noise interference, making calls clearer.Tdelivers powerful bass, mell-ow midrange, and clear treble. Reproducing your music vividly.[On-e st-ep pairing] Simply take 2 headsets out from the charging case, and they will connect each other automatically and then on-ly on-e ste-p easily enter mobile phone Bluetooth setting to pair the earbuds.[Cold light intelligent digital display] LED power display, allowing you to predict the battery life more intuitively, no fear of power failure, long battery life, large-capacity charging compartment, can be used for 13 hours with the charging compartment, and the earphone charging time is 1-2 hour Charge the headset about 4 times to satisfy your life.[One-button control ] The earbuds easy to operate. You can control all functions through the tou-ch buttons on both sides of the headset including playing and pausing music, adjusting volume, skipping tracks, answering, hanging up calls and activating the phone's voice control.