Bluetooth 5.3 Headset: Advanced and stable Bluetooth 5.3 technology. AWEI T26 pro supports HSP, HFP, A2DP and AVRCP, greatly improving transmission speed and providing you with low latency listening experience. It also makes in-ear wireless Bluetooth more consistent with electronic devices, providing you with an uninterrupted call and music experience, as well as ENC smart noise cancellation. One-step pairing :AWEI T26 Pro Bluetooth Headset features Hall Switch. Once the charging case is opened after the first connection, these wireless Bluetooth headsets can connect to your device for greater speed and convenience. During use, you can control your phone by touching any of the wireless headphones, such as music on/off, volume adjustment, phone calls, voice assistant, etc., without having to make adjustments through your phone. High fidelity stereo with long battery life: This music wireless earphone uses 13mm speakers and three layers of composite diaphragm to enhance sound quality with high fidelity stereo and delight ears at their best level. The built-in microphone in each earbud uses call noise cancellation to ensure clear, realistic sound. A single charge will give you 6-8 hours of music, and a charging case will give you 48 hours. Ergonomic design for a safe fit: The pocket-sized charging case doesn't take up any carrying space The ergonomic design provides a comfortable and secure fit that does not protrude from your ears, making it especially suitable for sports, exercise and gyms.