【Leading Bluetooth V5.3 Technology and One-Step Auto-Pairing】Adopting advanced Bluetooth 5.3, the wireless earbuds support HSP HFP A2DP AVRCP, providing you with an unparalleled audio experience, faster transmission speed, stronger connection stability and longer Bluetooth range. Take it out of the charging box, the Bluetooth headset will pair automatically, just click the Bluetooth list i13 on the device to connect. In a few seconds, you are in the world of pleasant music.【Dual LED Power Display and Upgraded 40H Playback】The dual LED power display on the shell helps check the charging status of the wireless earbuds and charging box. The earbuds wireless Bluetooth can play for 8 hours on a single charge. The lightweight charging box supports charging the wireless earbuds 4 times, providing up to 40 hours of continuous music time. The Type-C charging port can provide faster and safer charging. Take it with you and you can enjoy long-lasting music every day.【Stereo Deep Bass and Clear Calls】The wireless earphones adopt DSR lossless high-definition rendering technology and are equipped with high-quality 13mm dynamic drivers - the driving area is 4 times the normal driving area, making the bass more powerful, the mid-range full and textured, and the treble crisp. The large cavity acoustic design balances the internal and external air pressure well to avoid sound loss, and the Bluetooth earphones are combined with ENC noise reduction microphones to ensure that you can hear the sound clearly even in a noisy environment.【Ultra-light and comfortable fit】The pocket-sized charging box does not take up any carrying space, and there is no pressure when wearing sports earbuds. The earbud wireless earphones are designed to fit the contour of the human ear and have a curved structure with the same shape as the ear canal, which is comfortable to wear and will not fall off when running or exercising. The Bluetooth earphones use IP7 nano-coating technology to protect the internal components from liquid erosion and ensure a longer service life【Smart Touch and Wide Compatibility】With the function of touch sensor, the wireless Bluetooth earphones allow you to conveniently power on/off, play/pause, skip songs, answer/hang up calls, adjust volume, activate Siri and access other functions with one click. Completely free your hands when you are busy exercising, driving or running. The wireless Bluetooth headset is compatible with most Bluetooth-enabled devices, including iOS or Android smartphones, TVs, computers, laptops, etc.