Truly Wireless Earbuds: Truly wireless earbuds built-in TWS technology and latest bluetooth V5.0 providing a stable wireless connections to your smartphones and other Bluetooth devices. auto faster pairing within 30ft Bluetooth range in the open space. 2. This bluetooth earbud is fully consistent with the ear when worn, even if strenuous exercise is not easy to be lost. At the same time, the structure reduces earbud's weight, ensure long time wearing comfort. 3. Stereo Sound Quality: Wilreless earbuds adopt DSP digital to provides a high-quality crystal clear sound without missing any compontary. Superb stereo bass sound music enjoying. 4. Portable Charging: Equipped with mini and portable 500 mAh battery charging box, which can standby 360 hours . Each earbuds build in 65 mAh which can fully charging within hours. 5. Waterproof IP X7: Even in the open air, rain or splash or dust exposure, IPX7 class waterproof function ensures perfect performance in bad weather. 6. Easy to operate: Only one button and all commands can be performed by tapping it. Long press until the blue and red light alternately, can be paired or shutdown; short press to answer, play, pause, etc.