Bluetooth-compatible FM Transmitter Audio Aux Modulator Dual USB Fast Car Charger Bluetooth-compatible Handsfree Calling Car Kit Car Radio MP3 Player Description: Bluetooth-compatible 4.2 Wireless Handsfree Car FM Transmitter MP3 Player 2 USB Charger Kit Hands-free Call: Safely answer/reject/make calls through the multifunction button while driving. Memory Function: Automatically connects the last paired smart devices when you starts your car. Bluetooth: Esolom Bluetooth-compatible FM transmitter transmits music from your Bluetooth-compatible -enabled audio devices to any car stereo system. Features: Switch to Hands-free mode automatically from music playing status when receiving call Built-in Microphone Supports music playing from USB Flash Drive Detect and display the voltage of Car Battery when power on Full 206 channels optional from 87.5-108.0MHz Strong and elegant design with LED frequency display Supports last call redial Specifications: Bluetooth-compatible Version: 4.0 Power Input: 12-24V Screen Display: LCD digital display Frequency range: 87.5MHZ-108.0MHZ Frequency stability: 10ppml Product Input: 12-24V Charger output: 5V/3.4A Music Format: MP3/WMA Effective Range: 5 meters Material: ABS Package includes: 1Esolom Bluetooth-compatible FM Transmitter 1User Manual000]