Monster Open Ear AC600 Headphones, Bluetooth 5.4 Wireless Earbuds with HiFi Stereo,Clip-On Earbuds with ENC Clear Call, 21H Playtime, Touch Control, IPX6 Waterproof Wireless Headphones for Workout

【Comfortable And Secure Fit For Everyday Use】Monster open ear earbuds weigh ONLY 0.2 oz, typically lighter and more breathable than other headphones, which makes them more comfortable to wear for extended periods of time. Constructed from innovative, non-deforming hard-shell material, the clip on earbuds are meticulously designed to retain their shape for a consistently secure fit, no matter how much you use them. 【ENC Noise Reduction For Crystal Clear Call】Adopt environmental noise reduction technology to monitor the sounds and instantly produce an opposite signal to reduce background noise, the bluetooth earbuds allows you to hear crystal clear calls like you are communicating face to face with others, enjoy clear hands-free calling, and immerse in the music, creating a personal audio world. 【21H Long Playback With Fast Charge】On a single charge, Monster open ear headphones last around 7 hours (at 50%-60% volume). With recharges provided by its compact charging case, you can use them non-stop for 21 hours. Designed with Type-C fast charging, enjoy 1hour listening with a 10-minute charge. 【IPX6 Water Resistant For Any Workouts】Designed for active lifestyles, it prevents water and sweat from penetrating and can be used in any harsh environment. Monster open earbuds are the perfect sports partner for running, cycling, mountaineering, and sports and fitness enthusiasts, without worrying about sweating profusely.