Car mp3 Bluetooth FM Transmitter Mini Wireless Radio Adaptor Handsfree Phone Calling Car Kit USB Charger for TF Card, Smart phones, IOS Series and Other Bluetooth Device

Detailed instruction for bullet points :
1. Adjusting frequency and volume: Supported frequency of the wireless radio adapter from 87.5 – 108.0 MHz. The key of CH is to adjust the frequency mode and key of < and > is to adjust the volume.
2. Playing music from TF card and smart mobile phone: Insert the TF card into the car device, it will detect and play the MP3/WMA/WAV music automatically.… Read the rest

Detailed instruction for bullet points :
1. Adjusting frequency and volume: Supported frequency of the wireless radio adapter from 87.5 – 108.0 MHz. The key of CH is to adjust the frequency mode and key of < and > is to adjust the volume.
2. Playing music from TF card and smart mobile phone: Insert the TF card into the car device, it will detect and play the MP3/WMA/WAV music automatically.… Read the rest