Creative Woof 3 Bluetooth Wireless Speaker (Autumn Gold) Four ways to play your music: wireless Bluetooth connectivity, 3.5mm AUX-in cable, USB audio and microSD card Built with an oversized internal bass radiator that delivers great audio with bass you can feel When using a microSD card, simply insert card and play your music to enjoy a seamless listening experience. Recognizes formats such as: MP3, WMA, WAV, FLAC and AFE With your phone connected via Bluetooth, you can take calls hands-free even when you're listening to your music Enjoy six hours of playtime on a single charge and when needed charge conveniently via micro USB