Mp3 Players Bone Conduction 16gb Mp3 Player Bluetooth Blue

Caution: color: we send according to the color of the first picture, in the package: if the quantity is not stated in the description, we will shlp the item according to the quantity and model in the title. 2020 Bone conduction k7 16gb mp3 player bluetooth 5.0 2 In 1 headset life waterproof running fitness sport healthy earphone| hifi players features: need not insert ear, can enjoy music for long time. Use bone conduction technology to transmit sound waves. For swimming/ hot spring/ sauna/ spa/ surfing/ snorkeling. Protect your audition and no harm to your eardrum. Perfect equipment for runners cyclist,hikers and more. Waterproof, and free up your ears. Use anti-static material to ensure safety.