E-Monster Mini Elf Bluetooth Wireless Speaker, Ultra-portable and Rechargeable. Expand Your Device's Audio Output By 360 Degrees. Featuring Color-changing LED Lights. Compares to Sony. Beautiful Color-changing LED Lights following music. Pair with any Bluetooth Enabled Device without a Code. 33 feet Range. Stream Wireless Music from the latest Tablets, Smartphones, Laptops, iPad, iPhone and more! Distinctive Spherical Design delivers Premium Sound with Bass Enhance Technology. Built-in Microphone turns Speaker into a Hands-free Speakerphone. Built-in Li-Ion Rechargeable Battery provides up to 8 hours Playback. USB Cable and 3.5 mm Cable included.