2. Built-in 8GB memory: you can listen without connecting to a mobile phone and store 1500 songs.
3. The sound quality has been improved, and the bone conduction sound quality has been optimized, bringing a different stereo listening experience.
4. Hygiene: Bone conduction earphones do not enter the ears, which is very helpful for maintaining the internal hygiene of the ears.
5. Bone conduction opens both ears, ensuring the possibility of using headphones in dangerous situations. Open both ears, you can also notice the changes in the surrounding environment while using the earphones, making it safer to use.