Comfortable & Secure Wearing: UGREEN Open ear earbuds weigh 5.3g with a C-shape design; the headphones clip securely onto the ear edge, adjusting to your ear shape while maintaining aural awareness for cyclists and hikers Deep Bass Audio & Clear Mic: Features 12mm drivers for balanced sound; these earphones adopt AI noise cancelling for natural voice pickup during calls and podcasts while reducing sound leakage by 98% 30H Long Playtime: Enjoy up to 7.5H per charge with 30h total; the USB-C fast charge supports a 15-minute charge for 120 minutes of use to meet all-day listening needs without power-off worries Instant Pairing & Stable Connection: UGREEN Clip-on wireless earbuds utilize Bluetooth 5.4 technology to deliver a fast and stable connection for seamless music and calls. The Open-ear Bluetooth headphones work straight out of the box and require no driver. Plus, the Bluetooth 5.4 open-ear headphones provide 0.08s low delay when in Game Mode IPX5 Waterproof & Smart Touc