IP45 Waterproof and DustproofSilicone housings and interface design ensure shockproof, dustproof and waterproof level. IPX45, it is ideal for outdoors and in the shower. It can also be used in harsh environment. Superior Sound QualityImplemented with high performance speaker in the mini speaker which delivers clear and crisp mids and highs. Loud and powerful enough to fill your bedroom, bathroom, garden, office and anywhere you want to enjoy music. Ultra PortableMini-size for take-anywhere convenience; slips easily into any pocket or purse; offers a detachable metal alloy loop hook for outdoor adventures like camping, climbing, hiking or biking. INCREDIBLE Battery Great for Outdoor UseThis speaker Bluetooth comes with a built-in high capacity lithium battery. Bluetooth speaker power will show on your phone when connected via Bluetooth mode. High CompatibilityYou can use this wireless Bluetooth speaker at home, office , in the car, outdoors, etc.