Noise Reduction-Soundproof Silicone Earplugs Color:Metallic Sliver Using 1 device for each

Using 1 device for each room is recommended as ultrasonic effect will be weakened by walls and solid objects

Adopt preferable PVC material

Tips: The shoes are one size smaller！please buy according to your foot length or EUR

perfect for outdoor activities

-Simple operation

Noise Reduction-Soundproof Silicone Earplugs Color:Metallic Sliver Using 1 device for eachNOISE REDUCTION earplugs are reusable and durable hearing protection, made from soft silicone. They reduce most noise and help you to get in your bubble. OPTIMAL COMFORT These noise reducing earplugs come in 3 different sizes, so you can always find the perfect fit. MULTI PURPOSE versatile earplugs that offer protection from loud noises and background noise in many situations. They are great for sleeping and can help you to focus or to concentrate