Braven BRV-XXL/2 is a rugged portable speaker with a 2-year limited warranty. It is IPX5 waterproof certified, designed to withstand heavy rainfall or splashing up to 30 minutes. The speaker has a built-in bottle opener and a carry strap for easy portability. It can also charge USB-enabled smartphones and tablets using the 0.3A-2.4A full-size USB port. The speakerphone allows you to answer and end calls over the speakerphone. With its volume, bass, and treble control, you can customize your listening experience.