?????The Latest Bluetooth 5.0 Earbud? Our Bluetooth earbud uses Bluetooth V5.0 technology and high-sensitivity antenna, strong connectivity. It features natural and excellent HiFi sound, focusing on the ability of deep basses. The best Bluetooth transmission range is 33-65ft, and the call range is 16-33ft. ?????Lightweight & Ergonomic Design?The A1 wireless earphones are ultralight and weigh less than 6 grams, fit in with the ergonomic design to perfectly fit your ears. You won't feel stress when use them, or feel pain even use for a long time. ?????Stereo Experience & Smart Touch Control?Two separate wireless headphones that can be wirelessly connected to form surrounding sound, plus can be used separately. The smart touch control design instead of button, is simpler and more sensitive. You can select the last/next song, answer/reject the call or activate Siri, etc. ?????Longer Playback Times & Portable Charging Case?Thanks to low power consumption, fully charged Bluetooth headphones (only need 1 hour) can offer 3-4 hours of playback uninterrupted in case of standby mode, while they can last 48 hours in standby mode. The simple and ultra-light charging case can charge the Bluetooth earbuds 2 times. ?????Authentic Wireless Design & IPX5 Waterproof?Excellent TWS (True Wireless Stereo) technology allows you to enjoy your music without bothering tangle cable. These bluetooth earbuds are ideal for running, cycling or gym exercise. IPX5 waterproof function protects your wireless earbuds from sweat, rain, etc.