Laura 
Aliexpress has Adzuki bean Bone Conduction Bluetooth Earphone Headphones on sale for $14.35.The version of IPX8 waterproof with excellent
Feature Adzuki bean:
1. The version of IPX8 waterproof with excellent waterproof performance: it is not a problem to wear swimming or bathing.
2. The version of built-in 8g memory card: you can listen without connecting to a mobile phone.
3.Comfortable to wear: Ergonomic close-to-ear design, comfortable and stable to wear, not falling or shaking or shifting.
4.Hygiene: Bone conduction earphones do not enter the ears, which is very helpful for maintaining the internal hygiene of the ears.
5.The sound quality has been improved, and the bone conduction sound quality has been optimized, bringing a different stereo listening experience.
6.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.
Maintenance and cleaning of earphones
1. If you do not use the headset for a long time, please charge it at least once a month.
2. Keep the product away from fire, heat, freezing sources, chemicals, and strictly forbid violence impact to disassemble and squeeze products.
3. After each exercise, please wipe off the water on the surface of the earphones and clean them up in time to prevent corrosion by sweat and salt water.
4. The version of built-in 8g memory card: Please use the original dedicated data cable to charge or transfer data. Non-dedicated data cables may damage the headset.
5. The version of built-in 8g memory card: The headset strictly complies with the system operating requirements. Firstly remove the hardware safely, and then unplug it from the computer, otherwise it will easily cause irreparable damage to the memory.
this product is very useful while swimming and taking a bath. in particular, the MP3 Mode is more convenient rather than Bluetooth mode. sound is good, and quality is good as well
