... circuits to manage charging status Prevents overcharge and underchargeIt helps you to charge your sportable devices:PDA,MP3,cellphone,portable ... compatible with kinds of mobiles through adapters 3. Can charger 10 differrent mobile phones at one time, very convinent. 4. ... , multi function, because you can have 10 connectors at one time, don't need to buy 10 differrent chargers. 10 in 1 Universal USB ...