Product Description MU6 2022 Open Ear Air Conduction Headphone 1 Excellent sound quality enables you to enjoy music in sports 2 Air conduction technology can preserve sound integrity during sound transmission 3 Open ear design provides you with all-day comfortable and painless wearing experience Strong Battery Life Offers up to 9 hours of continuous music and calls on a single charge. You can easily enjoy them hiking, running, or biking without worrying about downtime Air Conduction Technology The sound waves from the source in the air are transmitted to the middle ear through the outer ear, causing the eardrum to vibrate, and then the vibration of the eardrum is transmitted to the inner ear, stimulating the auditory nerve, and finally reaching the auditory center, and people will hear sound, this way of conducting sound is called "air conduction" Air conduction retains the integrity of sound better than bone conduction during sound transmission, resulting in a higher quality of sound, and air conduction also has the advantage of avoiding ear painfull Outstanding Sound Quality 16mm dynamic driver & 7-core paperless copper wire voice coil makes the medium and treble processing more delicate HD audio decoder chip delivers low-latency and high-quality sound， with integrated ENC noise-canceling chip eliminates ambient noise and allows you to enjoy balanced audio, powerful volume and excellent sound anytime, anywhere two bass enhancers allow you to experience every note, beat and chorus of your favorite audio, resulting in premium sound quality, MU6 unique latest air conduction technology and made by high-quality materials , making mu6 headphones have an unparalleled sound quality IPX5 Waterproof MU6 headphones are designed with Integrated body to reduce hole interfaces, and waterproof coating is applied on the outside of the headphones through PECVD technology Noise-Canceling Microphone Take a call no matter where you’re working out. MU6 are equipped with noise-canceling microphone for crystal-clear calls on both end Fast Charge It only takes 1.5 hours to fully charge, 9 hours of continuous use on a single charge Lightweight & Secure Fit Only 35g of weight brings a sense of lightness and no negative pressure Flexible & Not Deformation The flexible headband is soft able to bend to accommodate different sizes，able to bend not Deformation What Will You Get？ 1 One headphones 2 One charging cable 3 Three Reflective Stripes 4 One year maintenance card 5 One packag box