About this item [Open Ear Design] The wireless earbuds adopt air conduction technology without entering your ear canal, which reduces damage to hearing than in-ear headphones.When doing strenuous workouts like running, jogging, achieving both stable comfortable wearing and delivering you the great music. [Sound with 16mm Driver] The 16mm large driver allows you to feel the every detail of the sound from crisp treble, clear mid to warm bass, create an immersive listening experience with HD stereo sound. Enjoy the music with the open earbuds. [Safe Music time] The open-ear innovative design enables you to remain aware of your surroundings like traffic and pedestrians. The single open ear bluetooth headphones is built-in microphone that you have a clear call. [12Hrs Playtime & No Charging Case] Battery life is rated at 12 hours at moderate volume levels and charge directly to the headset in 1.5 hours. No charging case, smaller size and easy to carry. [IPX5 Waterproof & Right Ear Headphone] IPX5 waterproof and sweat resistant level protects the bluetooth earbuds from splash water, light rain and sweat after intense exercise. Please feel free to contact us if you have any questions.