Check the listing for details. Open-Ear Design Bone Conduction Headphones without Bluetooth for Workouts(BLUE). Color: Blue, Condition: New. Listed at 26.35 USD. Sport Headphones Bone Conduction Headphones Wireless without Bluetooth 8GB Memory MP3 Player Stereo Headset Over Ear Sweatproof Earphone for Workout, Running, Hiking, Cycling (blue) Bone Conduction TechnologyBone conduction is the transmission of sound vibrations to the inner ear (cochlea) bones of the skull, which allows you to perceive sound without blocking the ear canal. Even more simply put: it’s sound that is delivered directly to the inner ear without needing to pass through the eardrum. Essentially, the vibrations received by the cochlea are the same no matter which way you receive them; they are simply sent via a different pathway.Audio enters the transducer;Convert sound waves into vibrations;Deliver sound straight to your inner ear via vibrations in the bones in your head.Unique Advantages Of Bone Bonduction HeadphonesSafetySport Bluetooth headphones leave your ears open and uncovered, which keep you aware of your surroundings and possible hazards, such as traffic, wildlife, and pedestrians; for a safer listening experience. Adding a soundtrack to the world rather than blocking it out, which is a unique, inspiring sensory experience enjoying music safely.Comfort & StabilityThe flexible titanium material and lightweight design offer a very comfortable fit.Only 29g: Lightweight for all-day wear.Wraparound titanium design: Ensures a snug fit that will not slip even during strenuous exercise, running, rugged riding, and all other sports that you enjoy! Product descriptionColor:BlueWe’re the manufacturer of bone conduction headphones and we have been providing technology and customer service to our customers for many years. We will continue to make progress for better products and services for our customers, old and new.Battery: 200mAh Polymer battery.Input: DC 5VPlay time: 5-6 hours.Standby time: 10days.Mono/Stereo: Stereo. Charging: MicroUSB port and need 2h.Material:Silica gelWeight: 59g.Color: BluePackage:1*Bone Conduction Headphone1*Charge Cable1*User Manual