Blackweb CRBLV004 FM Transmitter with Bluetooth Wireless Technology Supports FM frequency: 87.5 - 108.0 MHz Hands-free phone answering function Built-in USB port for charging (5V, 2.1A) 1.44" LCD display with blue backlight Supports caller ID Supports ID3 display of micro SD card slot Micro SD card (support max 32GB) slot for audio playback Craig FM transmitter connects to any device via 3.5mm aux in port Rotary knob control (volume up/down, play/pause and phone call answer/hang up) Goose-neck design allows the flexible metal hose to be adjusted to a wide variety of positions Condition is like new https://www.amazon.com/Blackweb-CRBLV004-Transmitter-Bluetooth-Technology/dp/B0791K994Y