Haylou GT1 2022 TWS - a vastly improved version of Haylou's most popular headphones for 2022. Advanced ambient noise cancellation technology, state-of-the-art Bluetooth 5.2 wireless transmission technology - transmitting better sound quality and it's more battery-efficient. Reduced latency to a peak of 65ms - ideal for gamers and for watching videos. 7.2mm composite Hi-Fi converter combined with AAC audio codec for HD audio performance. Headphone battery life is 5 hours on a single charge and 20 hours with charging case, charging via USB-C connector. Built-in microphones - can be used for hands-free calling.