Main Function: FM Transmitter + Bluetooth Handsfree Calling + MP3 Player + Dual USB Port Car Charger + TF Card Slot

characteristics:
1. Wirelessly transmit Bluetooth mobile phone call to the FM car sound system.
2. With A2DP function, streaming music from Bluetooth device to car stereo FM system.
3. Auto-toggle between music playback mode and Bluetooth handsfree mode.
4. Built-in microphone.
5. Dual USB outputs 5V / 3.1A charge for iPad, for ios and for Android mobile phone and any other rechargeable devices.
6. Support for the Micro SD card slot.
7. Call the cigarette-plug power supply in the car (12 V-24 V).
8. 87.5-108 MHz wide frequency range.
9. Elegant LED display.

specifications:
Material: ABS
Bluetooth version: 4.0
Bluetooth protocol: AVRCP, HFP, A2DP
frequency range: 87.5-108.0 MHZ
Frequency stability: ± 10 ppml
Product Input: 12-24 V
charger output: 5 V / 3.1A
music format: mp3, WMA
Micro SD card (Max capacity): 32 GB