QCY T1 wireless BT headphones adopts BT 5.0 technology, bringing high-speed data transfer speed, stable performance and low power consumption, offering real-time transmission of call and games, no voice delay. With TWS technology, left and right ear channel separation. You can use the headset solely, or used them in pairs. Auto fast pairing between left and right earbuds once taking out of the charging case. Easy and quick to pair with BT-enabled audio devices. Equipped with a 380mAh charging box to charge the earbuds for about 4 times, provides total 20 hours of working time. Built-in dual Microphone with noise reduction function delivers clearer and more real talking sound. Its mini size and 4.6g weight of each earphone fit well to your ear canal, and guarantee stability and comfort when doing sports. QCY T1C will brings you perfect user experience.