FM transmitter with cigarette lighter connection, convenient with a holder. - Type: FM transmitter - Included: Car socket adapter, holder - Design: Black, textured finish - Connection method: Cigarette lighter connection This was a gift. I don't know the details. Please judge from the photos. 20-38 0001600 3 or more Unused, but has been opened once for inspection. Only those who understand, please purchase. m(_ _)m #sa