Used FM transmitter from Car Mate. Plugs into a car socket. It worked without any issues until I removed it, but please understand that it is a used item. This FM transmitter supports Bluetooth 5.0, has a 1.5A USB output, and NFC functionality for wireless sound quality. - Model: ME159 - Bluetooth Version: Bluetooth 5.0 - USB Output: 1.5A - Supported Frequencies: 88.1MHz, 88.3MHz, 88.5MHz - Color: Black - Features: NFC compatible Thank you for looking.