The Veho VSS-009-360BT 360 Degree M4 Bluetooth Wireless Speaker is compatible with all wireless Bluetooth devices including the iPhone and iPod, BlackBerry, smartphones, laptops, netbooks and Bluetooth dongles. It's perfect for listening to your favorite music when you're traveling or out with friends and family. Simply connect the speaker to your Bluetooth device or to any other audio device via line-in cable connection and enjoy the tunes stored on your portable device. The speaker has a Micro SD card slot, which allows you to play music from an additional source. Both MP3 and WAV music file formats are supported. Plus, the built-in li -ion rechargeable battery takes only two hours to charge and provides up to five hours of constant playback time.