Silicone Case Travel Carrying Pouch with Speaker Mount Strap Portable Speaker Case Shockproof Speaker Cover Compatible with JBL Go 4 Speaker. Feature: 1. Premium Material Quality: Made from high-quality silicone using an integrated molding process, this protective cover features a UV matte finish that offers an excellent tactile feel and sophisticated look. 2. Perfect Fit Design: Specifically made for compatible with JBL Go 4, this silicone case cover ensures precise cutouts for the speaker, allowing sound to be emitted clearly without any impact on audio quality. 3. Dust and Moisture Protection: The protective sleeve's charging port dust plug design effectively prevents dust and moisture from entering, safeguarding the charging contacts and extending the speaker's lifespan. 4. Secure Mounting Straps: Equipped with two anti-slip straps on the back, this portable speaker case allows users to securely attach their speaker to bikes, golf clubs, and other equipment for convenient portability. 5. Enhanced Durability: By protecting against environmental elements and wear, this silicone speaker cover enhances the durability and longevity of your speaker, ensuring it remains in top condition.