Billboard Wireless karaoke mic and speaker Bluetooth with built-in eFax. Play your favorite music and sing along to. Elise links to your smartphone or tablet. Plays music from 233 ft from the source. Use with your favorite karaoke app or sing along with music. Has quality sound and special effect. High performance speaker provide Superior Sound is bass enhanced adjustable volume and dramatic Echo effect. R24 hours of playtime and a variety of inputs. Does not have a micro USB charging cable but easily connect to a 3.5 mm music Source gently used tested and working. Thank you