BC11 Dual USB Bluetooth Car Kit Wireless Car Charger Transmitter

Features
FM Transmitting Adjust this Bluetooth FM transmitter for car to the same frequency with car audio, music from cell phone or TF card can be played through car audio.
Voice Prompt When it is pairing or Bluetooth is connected, voice prompt will tell you whether this device is connected successfully or not.
Hands-free Calling With this wireless device, you can conveniently answer, hang off, reject or redial calls through hands-free function.
Two-way Plug USB Charging With type C ports, you can plug your cable either way, more convenient to charge your smart phones, tablets or other digital devices that can be charging by USB port.
Multi Input Besides, it supports aux line audio input and micro SD card to play music in your car speaker.
Specification
Frequency Range 87.5-108.0Mhz
Output Frequency 20Hz-15KHz
Supply Voltage 12V-24V
Loading Current Error±0.1A
Voltage Display Error±0.1V
Bluetooth Sound ProcessingA2DP function
Bluetooth Microphone Effective Range0.5-2M
Work Temperature 0-50 degrees
Support File Format MP3/WMA
USB Charge Output 5V/2.1A
Music Format MP3 format
Bluetooth Version 3.0 + EDR
Transmit Distance 10M