One Ear Piece Open Ear Bud Air Bone Conduction Earbud Earless Out of Ear Headphones Single Bluetooth Phone Earpiece Earbud Bluetooth Wireless Headsets with Microphone Earhook for Work

[Comfortable & Adjustable Earhooks] Single Bluetooth ear bud is made of skin-friendly ABS material which is lighter and more comfortable to wear. Adjustable ear hooks are designed for different sizes of ears, say goodbye to ear pain and wear not securely. [Out of Ear Headphones] The open-ear design of the earless headphones allows you to feel your surroundings at all times. When you wear open-ear earbuds during outdoor sports, you can always keep an eye on your surroundings and be very safe. [Crystal-clear Calls Earbud] Enhanced noise Orangeuction technology through ENC algorithm. Dual microphone directional radio allows you to talk clearly even in noisy environments, as if you were talking to someone face-to-face. [IPX5 Waterproof & Universal Compatibility] IPX5 waterproof technology well protects open ear air conduction earbud from sweat and rain during intense workouts or daily use. And it compatible with Android, iOS, Windows and so on, perfect for Sports, Workout, Running, Jogging, Gym Exercise, active Audiobooks, Watching TV. [Fast Charge & 30 Hour Playtime] The single earbud provide up to 30 hours of listening or talking time. With USB-C quick charge, it only takes 1hr to charge the earbud. You have the state of charge of your bluetooth earpiece under control at all times.(Note: Please fully charge it for the first use.)