inputs.text: bluetoothtofm modulator works wont charge lg g2 smartphone - pairs instantly lg g2 phone sounds good orignal ranger truck radio speakers using iheart music source not tried microsd slot phone charger not strong enough charge phone nonissue rather quiet modulated audio level going made turn radio volume even phone bluetooth volume max sounds good radio becomes loud turn modulator controls worked good including button advance next iheart song plus answerphone button chineseenglish operator directions generic several models useable unit english voice speaks radio pairing process cute work power socket truck due long gooseneck might need add tape make snug others noted unit no linein port although odly came cable good value update still working well month use sometimes notice pop sound reported reviewers might simply another modulator passing truck not use radiofs rds display songs phone shows thehem iheart gooseneck tends let controlhead droop awhile push back power socket every morning go work still recommended shipped direct usa china