PRODUCT HIGHLIGHTS
Dual USB car charger: 2 USB charging port to charge most USB Devices. Input 12V/24V, 1a port with USB reading and charge function; smart 2.4 A charge port which can intelligently identify Android or iOS devices and charging.
More compatibility: wireless Bluetooth FM transmitter adapter for car radio, transfer calling / MP3 music / Podcasts / Audiobooks / Cellphone voices to car speaker. 
Tune the car FM radio to a blank station from 87 5MHZ to 108 . 0MHZ
Tune the FM transmitter into the same frequency with the car FM radio
Connect the product to your smart device via Bluetooth now it can transmit calls . music . navigation to car stereo system Or you can insert micro SD card
U disk into the product. it will play music automatically
Compatible with iPads, iPhones, Samsung, Google, LG, Motorola, OnePlus, Sony, Nokia, Blu, Asus and Bluetooth Device.
Hands free function: built-in microphone, switch to hands-free mode automatically from music playing status when receiving calls. Answer/reject/hand up/recall all in One key. 
Hands-free Phone Call After Connect your smartphone Via Bluetooth
Voice Navigation Broadcast navigation once connected to your smart device via Bluetooth
Car battery voltage function: Show 3 seconds voltage when plug into the car outlet port. Always keep battery state of health. Then it turn to automatic play mode. 
Music playing: support Bluetooth /USB disk/TF card/ MP3/wma player. With anti-interference performance and CVC technology.Listening to music while charging. Automatically connect memorized paired when power on.
Product Characteristic 1. Bluetooth answering, hanging up, refusing to answer, re-dialing and other functions
2. Supporting Bluetooth Stereo Music Playing
3. Digital Tube Display Screen
4. Supporting Voltage Detection of Automotive Batteries
5. Supporting U-disk playback (maximum 32G)
6. Support TF card music playing (maximum 32G)
7. Support MP3/WMA/WAV/FLAC/APE format music
8. Supporting FM Full Frequency Point Launch Function 87.5-108.0MHZ
9. Memory function of automatic power off
10.U Port Supports 5V/1A Mobile Charging
11. Supporting 5V/2.1A Mobile Charging
12. Supporting Voice Tips for Mobile Navigation
13. Supporting Charge Recognition
Specifications:
Rated operating voltage; 12V~24V
Limit operating voltage: 8-32V
USB1 Output: 5V/1A
USB2 Output: 5V/2.1A
Support music format: MP3/WMA/WAV/FLAC/APE
Supporting U-disk capacity: 1G-32G
Supporting TF Card Capacity: 1G-32G
Working temperature: <70 degrees
Battery Voltage Accuracy: Error (+1V)
SNR: > 60dB
Distortion: <0.1%
Frequency response: 20Hz-20Khz
Left and Right Channel Separation Degree: 60dB
Bluetooth version: Version 5.0
Bluetooth voice processing: with A2DP (Advance Audio Distribution Profile) function
Bluetooth transmission distance: less than 10M
Effective Distance of Bluetooth Microphone: 0.5-2M
Payment Information:
We accept PayPal, Google Pay and all major credit cards including Visa, MasterCard, American Express (AMEX), and Discover.
Shipping Information:
Your item will be carefully packed and dispatched within 24 hours (Mon.-Fri.) of receiving payment.
Most items will be posted out the next day if payment is received before 4 pm.
We use UPS GROUND, Fedex and USPS 1st class delivery for all shipments.
Return Policy:
Easy 30 -Days Returns Policy
We care about your satisfaction. That's why returns to us are fast & easy! If you are dissatisfied with your purchase for any reason, you may return it to us within 30 days of the received date, subject to the conditions and exclusions below:
All returned items must be in new condition, in their original unaltered box
including an intact UPC code) and must include all packing material, blank warranty cards, manuals and accessories.
Satisfaction Guaranteed:
Our goal is to make sure you are a happy buyer with us. Please give us the opportunity to resolve any concerns.
We aim to be a reasonable and honest seller, and we appreciate the same from our buyers. 
We appreciate your business, if you are satisfied with our service, please leave us a positive feedback. Your recognition will make us more confident to develop business and serve you better.