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 , 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.