1. Potent noise reduction.
2. Utilizing ergonomic techniques, it is soft and comfortable, with no sense of distension or pain even after prolonged wearing.
3. Crafted from healthy TPE material, its surface is smooth and not prone to dirt accumulation, thereby averting hygiene problems.
4. The attached cord is approximately 65 cm in length, enabling it to be worn behind the neck to prevent the earplugs from falling and getting lost, as well as avoiding dirt and loss after dropping.
5. It can be cleaned with clear water or hand sanitizer. After being placed in a well-ventilated area for thorough drying, it can be reused.

Precautions:
1. Hygiene: Before using, ensure that both your hands and the earplugs are clean to prevent bacteria from entering the ear canal. After each use, clean the earplugs with clear water and soap, dry them thoroughly, and store them appropriately.
2. Correct wearing: Gently rotate and insert the earplugs into the ear canal, ensuring a tight fit but without excessive force. If the sound insulation effect is not satisfactory after wearing, adjust the position or try other models.
3. Regular inspection: Before using, inspect the earplugs for any damage or deformation. If there are any problems, replace them in a timely manner to guarantee the sound insulation effect and usage safety.
4. Avoid prolonged and continuous usage: Wearing earplugs for an extended period may affect the ventilation of the ear canal. It is advisable to take appropriate breaks to avoid discomfort in the ear canal or the accumulation of earwax.
5. Storage environment: After usage, the earplugs should be placed in a dedicated storage box to avoid compression or heat deformation, maintaining their service life and performance.
6. Note the usage environment: Earplugs are mainly used for noise protection, but in the laboratory, other potential dangers such as splashes of chemical reagents also need to be noted.