[Whether it is waterproof]: Waterproof. [Maximum noise]: below 60 decibels. [Product material]: Silicone + ABS. [Product size]: 9.5 3.5cm.

[Whether it is waterproof]: Waterproof. [Maximum noise]: below 60 decibels. [Product material]: Silicone + ABS. [Product size]: 9.5 3.5cm.

[Whether it is waterproof]: Waterproof. [Maximum noise]: below 60 decibels. [Product material]: Silicone + ABS. [Product size]: 9.5 3.5cm.

[Whether it is waterproof]: Waterproof. [Product size]: 9.5 3.5cm. [Maximum noise]: below 60 decibels.