Features: *BT5.0 for superior wireless performance (backwards compatible with BT V5.0 and V2.1). *Have memory for the paired devices. *Maximum transmission distance more than 33 feet, and it can last 15 hours on a full charge, which will take 2 hours with the USB charging cable. *All-in-one solution for BT receiving and transmitting. *Plug and play, no driver or software needed.