25 dB NRR earplugs, hearing protection for sleep studies, noise reduction, earplugs with a headband

1. Designed with a neck strap, it can be worn around the neck when not in use. 2. 25 dB noise reduction (NRR), effectively reducing noise interference, reusable and without loss of performance. 3. Comes with a plastic case for storage when not in use for extended periods, preventing loss. The square case has a round hole for attaching it to a keychain for easy carrying. 4. Made of comfortable and safe TPE, it does not irritate the skin. It promotes sleep, concentration, and protects hearing. 5. It is a valuable tool for avoiding noise interference at home, in the bedroom, classroom, on airplanes, in factories, on construction sites, in city centers, etc. Features: Designed with a neck strap, it can be worn around the neck when not in use. 25 dB noise reduction (NRR), effectively reducing noise interference, reusable and with no loss of performance. The earplugs come in a plastic case for easy storage when not in use for extended periods, preventing loss. The square case has a round hole for attaching it to a keychain for convenient carrying. Made of comfortable and safe TPE, they won't irritate your skin. They promote sleep and concentration while protecting your hearing. They are a valuable aid for protecting yourself from ambient noise at home, in the bedroom, classroom, on a plane, in a factory, on a construction site, in the city center, etc. An essential ally for your well-being and a must-have accessory for following Formula 1. Specifications: Condition: 100% Brand New; Material: TPE; Color: Blue; SNR: 29 dB; NRR: 25 dB. Package Contents: 1 pair of earplugs.