Seems a reasonable priced add-on. Bluetooth 3.0 audio wireless connectivity with seamless streaming and 6 hours of playtime.
Universal compatibility with Android and iPhone tablets, smartphones, iPods, MP3, MP4 and other Bluetooth enabled digital players.
Easy access to Handfree Talking / Volume up / Volume down / fast forward (skip) / Backward / Pause / Play / Power buttons.
Water resistant loud speaker and built-in mic for both outdoor and indoor use.
Can probably be had for a little less if you buy direct from China, but not a bad add-on item.