Stepping up in the same form of a wireless earbud, this Bluetooth speaker comes fully equipped with an FM radio, a built-in microphone, so you can be heard during both incoming and outgoing calls, and a rechargeable lithium-ion battery, granting you up to 5 hrs of play time. The party really doesn't ever have to end with this COBY speaker product, and with its light & compact body, this True Wireless Speaker really can go anywhere with you. Not to mention, if you want to get surround sound going, you can pair this speaker up with as many bluetooth capable speakers of the same model and make as you like, truly marking its claim in terms of True Wireless Technology.