Bone Conduction Technology：Transmit sound through vibrations in the human elease both ears ,which avoids hearing impairment compare to ordinary earphones. Open-ear design helps you stay alert to your surroundings, avoid danger and meanwhile enjoy mus
Bluetooth 5.0 Wireless Connection：Bluetooth 5.0 connectivity and convenient multipoint pairing,stable connection and 33ft signal transmission (no-obstacle condition); compatible with iOS and Android Bluetooth-ready smartphones or tablets and Mac and
Long Battery Life：Each side of earphone has built-in 200 milliampere lithium battery ,takes two hours to be fully charged . Standby time for 7 days ,listen to music or answer the phone for 5 hours, support to deliver unnoticeable all-day comfort.
Dressing for Sports: IP55 waterproof to resist light rain and sweat, suitable for running, cycling, fitness, hiking, rock climbing, and driving. Antiperspirant Design can protect the ear. Ergonomic design for comfortable wearing make sure you do spor
R9 Bone Conduction Bluetooth Headset adopts Bluetooth 5.0 wireless connection.Without plugging the receiver into the ear canal, the ear can hear the surrounding sound, which is very safe.The bone conduction earphone is strong and sweat-proof, suitable for running, cycling, fitness, hiking, rock climbing and driving. Specifications Color: black Bluetooth version: 5.0 Call time: 6 hours Standby time: 10 days Charging time: 2 hours Product weight: about 33G Transmission distance: about 10 meters Impedance: 8Ω Features: Comfortable and Safe:The Bone Conduction Headphones using bluetooth 5.0 wireless connection, don't need to cram the receiver in the ear canal can listen to the music and answer the Phone, and your ears can hear the sound of the surrounding, very safe. Usage Scenario: Bone Conduction Headphones are sturdy and sweat proof, suitable for running, cycling, fitness, hiking, rock climbing, and driving. Product Configuration: Built-in 200 milliampere lithium battery takes two hours to be fully charged an standby time for 10 days listen to music or answer the phone for 6 hours, connection distance is about 10m.