Function: Through selection button to set data or charge mode. iTunes will not automatic start once charge mode is select Advantage: Support free conversion mode when connect to computerFeature:1. Through "selection" button to set “data” or “charge” mode2. If choose “charge” mode, you can charge your iPod/iPhone/iPad by the other brand USB power adapter. ( DC5.0V/1000mA above is required)3. “ ...