SAVFY Wireless FM Transmitter with Smart Car Locator Black

Model:BTD0172
Features:
1. Wirelessly transmit phone call from mobile phone to car FM Stereo system 
2. Switch to Hands-free mode automatically from music playing status when receiving call
3. Built-in Microphone
4. Detect and display the voltage of Car Battery when power on 
5. Strong and elegant design with LED frequency display 
6. Supports last call redial

Specifications:
- Bluetooth Version: V4.2 + EDR(The newest Bluetooth version)
- Small size, fast charger. 
- Work temperature: 0-50 degrees 
- Support file format: MP3/WMA/A2DP 
- USB/Micro SD card(Max capacity): 32GB
- Effective Bluetooth Range: 10 meters
- FM Frequency: 87.5MHz - 108.0MHZ
- Working Voltage: 12V~24V
- USB Charging Port: 5V/2.1A
- Product Material: ABS
- NOTE:Tune it to an unused frequency.

Package Include: 1x SAVFY Bluetooth FM transmitter

Easy to use, steps:
1.Insert it to the car cigarette lighter socket. 
2.The LED displays the car voltage for 3 seconds, then enters into Bluetooth pairing mode. 
3.Turn on cell phone Bluetooth, find the device”BTD0172BK” and click to connect. 
4.Single press "CH” to enter the frequency settings. Find an empty station and keep the FM transmitter and car FM radio at the same frequency. 
5.Then it can play music.(for a better audio quality and avoid static interference, it is recommended to tune to vacant channel 106.0-108.0).