inputs.text: not bad money - unit came without user manual relatively straight forward connect use iphone 4 completely date displayed \\this device not support charging\\ gave choice dismiss fm transmitter seehems work well sound clear coming vehicle speakers could not figure turn took phone small radio frequency display top stays illuminated plugged power socket unplug turn not provide hands free phone usage vehicle speakers could tell 15 listen ipod could not updatei found plug unit power socket first plug cable bottom iphoneit charge also hands free speaker phone car stereo speakers works small 8\\ 35mm cable plugged iphone unit along bottom cable