ITEM NAME:BT21-B Car Bluetooth FM Transmitter Handsfree MP3 Player Dual USB Charger #gib Store Home Promotion Hot Item Add to Fav.Support Bluetooth/ TF card / U disk music playback, support Bluetooth hands-free calling;. 1 X Car FM Transmitter. FM frequency range: 87.5-108 MHz. Signal to noise ratio: 85db (FM: 65db). Harmonic distortion:
