Philips Shoqbox Bluetooth Portable Speaker is a universal wireless speaker with a Li-on rechargeable battery that you can take anywhere. Since its waterproof, and shock resistant, drop it, splash it, don't worry about it, you're good to go. It works with all your favorite technology including an MP3 player, bluetooth smartphone, computer or tablet. Like the boom, boom, boom, the wOOX speaker technology is excellent for bass reproduction, and the smart sensor on the Philips Shoqbox Bluetooth Portable Speaker makes it easy to skip forward or backwards to your favorite song.