Bluetooth Handsfree FM Transmitter With USB Car Charger - brand new never used - $25 firm SPECIFICATION: - Frequency range: 87.5-108Mhz - Frequency stability: +/- 10ppml - Product input: 12-24V - Charger output: 5V 1A - Music format: MP3/WMA - USB (max capacity): 32GB - Micro SD card (max capacity): 16GB - USB & Micro SD format: FAT32 - Transmit distance: about 10m - Remote control distance: about 1m PACKAGE INCLUDES: - 1x bluetooth FM transmitter - 1x remote control