INCREDIBLE Battery Life Great for outdoor and Shower This bluetooth speaker comes with built-in high-capacity lithium battery life, more durable for using. The bluetooth speaker's power will be displayed on your phone when it is connected via bluetooth mode.IP45 Waterproof and Dustproof The silicone cases and interface design ensure shockproof, dustproof and waterproof,so it is great for outdoor and showe. It also cen be used under harsh environment.Impressive & Friendly DesignAluminum alloy metal carabiner offer you convenient to hang and attach it to anywhere you wantEffective waterproof level to IPx45 ,so you can enjoy the wonderful music in the bath.Built-in MIC & Hands-Free FunctionYou can conveniently pick up a call by this mini bluetooth speaker in car, bathroom, at home or office, anywhere during it is connected to your Smartphone.High Compatibilityuse the newest bluetooth version cause the volume of the battery is Visualization on your phone,you can use this wireless bluetooth speaker at home, office, car, outdoors etc.