NEW Upgraded Bluetooth 5.4 Technology and Effortless Pairing: Wireless headphones adopt the advanced Bluetooth 5.4 Technology. The latest chip ensures the solid connection,fast transmission. These wireless earbuds would instant paired once taken out from the charging case and auto connects with the last-paired device. | Powerful Compatibility and Smart Touch Control: Wireless Bluetooth earbuds are compatible with various Bluetooth devices, including smartphones and laptops. Featuring responsive touch sensors, you can control playback, pause, answer calls, adjust volume, and more with simple gestures, making it easy to enjoy music while running, reading, or working. | 48 Hours and Faster Charge : The range and responsiveness of the wireless headset is dramatically improved, allowing up to 8 hours of use on just one charge, and the charging case can support up to 48 hours of use, all day long. | Hi-Fi Stereo Deep Bass and ENC Noise Cancelling: The wireless headphones adopts 14.2mm dynamic drivers with high resolution decoder technology for powerful sound with 43% more bass. The noise cancelling headphones equipped with ENC noise reduction technology and 4 microphone to filter out environmental noise, allowing you to enjoy crystal clear calls, as if you are communicating face to face with others. | IPX8 Waterproof: The sealed shell and IPX8 waterproof polymer nano-coating effectively protect the sports Bluetooth headset from rain and sweat, allowing you to exercise without fear and easily cope with sweat and rain.