Description: Bone Conduction headphones can protect our hearing, they deliver sound through cheekbone, with an open ear design, you needn't put the headphones insert your ears, you can hear sounds around you. If you are in a noisy environment and want to talk or listen to music, please insert sponge plugs in your ears. With the latest Bluetooth 5.0 connectivity, the wireless headphones are compatible with your iOS and Android Bluetooth-ready smartphones, tablets, MacBook, PC computers and laptops. 33 FT wireless connection distance to ensure high fidelity stereo sound quality and stable performance. The headphone bodyweight only 80g, with an open ear design, comfortable all-day wear. With our most lightweight and comfortable sport headset, you will have an easeful experience for all-day listening, with a bud-free, pain-free design. Bone conduction headphone is the best choice for people who like to exercise outdoors such as running, hiking, bicycling, also for people who wear headphones all day that need to protect hearing and have mild hearing loss. The band of headphones loops behind the head, close to the neck, so the size accommodates most customers. And headphones own a large battery capacity, which can take 8 hours phone call and 6 hours music play after a full charge. Specification: Size: 20x15x3cm/8x6x1.2inch Material: Plastic Weight: 80g Bluetooth protocol: 5.0 Usage: neck hanging type Transmission distance: 10 meters Package Includes: 1 x headphone 1 x USB cable 1 x Instruction book