C26s Handsfree Bluetooth FM Transmitter Modulator Charger 3.4A Dual USB Adapter Car MP3 Player Wireless Audio Receiver

This device transmit signal by wireless method, no need to modify anything in car hands-free car jut for the safety driving purpose. 1. We do not accept any refund without no reason. 2. We don't refund full if the partial items is damaged in delivery due to some objective matter. But we can accept a partial refund for compensating the damaged part. 3. If the product has quality problems, you can take pictures and vedio to us. When we confirm it , we will give you a satisfactory solution and refund you the damaged part.