marsboy Bone Conduction Headphones Wireless Sports Stereo Bluetooth Bone Conduction Waterproof Bone Conduction Hearing Aid Bone Conduction Headphones: Innovative Bone Conduction Technology,Transmit sound waves directly to the cochlea by vibrations. Listen to the music without blocking your ears! Bone Conduction Hearing Aid: Assures unmatched ambient sound awareness and extended comfort. Avoid damage to your ears during exercises and be aware of the surrounding situation. Bluetooth Bone Conduction Waterproof: Adjustable headband for tight and comfortable wearing. No worries of the headset falling.Universally Compatible - Suitable most Bluetooth-enabled devices. Such as iPhone7 plus,7,6s plus 5S 5 4S and Android smartphones,Samsung Galaxy Phones and so on. ISSC Bluetooth Chip ensures the sound quality of music and phone calls. Standby Time up to 10 days. Support continuous play up to 6 hours. Enjoyment: Put on the earplugs enclosed in the package to receive better sound quality. For outdoor exercise, you may want to be aware of the surroundings, and thus it's natural that the music enjoyment will be affected.