Car FM Radio / Bluetooth Audio Transmitter / Dual USB Charger / SD Card Player

Features
Unique 4-in-1 multifunctional design.
FM radio transmitter.
3.4A Dual USB fast charger.
Micro SD memory card reader.
External USB drive plug and play.
Wirelessly transmit music and calls using Bluetooth.
Automatic switch between audio play and receiving calls.
Easily adjust to a FM radio channel of your choice.
Built-in microphone and voice prompt for hands-free calling and answering.
Power output voltage display.
Universal support for car cigarette lighter sockets.
Super clear LED screen (see Watch Video section).
Built-in controls for volume adjustment, audio streaming and calls.


Specifications
Standard: Bluetooth v4.2
Bluetooth Protocol: AVRCP, HFP, A2DP
FM Frequency range: 87.5-108.0MHz
Supported file formats: mp3, wma, wav, flac
TF card size: up to 32GB (max.)