The Surf Sound Waterproof and Wireless Stereo Speaker is a 2-in-1 wonder. Enjoy Waterproof Bluetooth speaker and telephone handset capabilities with this versatile unit. Use it as a wireless speaker to play your favorite songs or use it as a phone and take calls. Built-in Bluetooth 2.1 technology will allow you to wirelessly connect your smartphone, MP3 player or tablet and play music or enjoy hands-free calls. Best of all, its Waterproof. It's easy to use and easy to control - it's awesome. Once your Bluetooth-enabled device is connected to the Surf Sound, you'll be able to control the audio with the push button controls on the front of the unit. Lightweight, portable with a carry-handle and Marine Grade IP-47 construction standards will ensure you enjoy hassle-free and worry-free sounds by the pool, at the beach or even in the shower. Charge the device via the included charging cable or power by 4 x 'AA' batteries (not included).