Ucolor Untra Mini Portable Bluetooth Wireless Speaker Built-in Mp3 Player Supporting to Play From Micro Sd Card / USB Thumb Drive (Unique) Unique and Stylish: Each speaker is unique in its own style. You'll fall in love with the stylish pattern, warm tones and unique grain patterns making each speaker one-of-a-kind. ENHANCED AUDIO Powerful loud super bass with 3W speaker output for premium quality audio whether you are at home, in the office or on the beach COMPACT AND PORTABLE: Small size and Portability. Fits easily into your bag or pocket WIRELESS FREEDOM: Built-in mic supports hands-free phone calls & outstanding bluetooth connection range of up to 33 feet for convenient wireless freedom. BROAD COMPATABILITY: Easy Bluetooth connection works with all Bluetooth-enabled devices: smart phones, pads, laptops and desktops, MP3 & DVD players, etc.; 3.5mm audio jack for non-Bluetooth devices.