add USB BLUTOOTH to car stereo. fix USB board  

nice!

No problem with the Ground coz the whole chassis is already grounded so only the left/ right input we seek good job

भाई मेरा भी इसी तरह बना दो

No demo option on ub 1690 single din stereo plz help

Is there any noise created by ground loop effect?

Hello usb de parazit var fm de yok ne yapmalıyım yardim edermisiniz

कितना खर्च आएगा

Bhai mjhe apni car stereo m bluetooth lag wana h

Sri my smart car radio problem with oux false 😟😟

How can contact u

अपना फोन नंबर बता दो भाई जिससे किसी तरह की समस्या होने पर बात के सके