4lock for Apple iPhone 3G and 3Gs: Bike, Motorbike, Handlebar Mount User friendly: use as GPS, listen to music and make calls on your iPhone without missing a beat. Easy insertion and removal: the iPhone 3G or 3Gs can be inserted or removed with one hand in total darkness. Perfect connectivity: 4Lock's shape enables the iPhone to slide easily into position and lock connectors securely. Cool Italian design: allows recharging of iPhone, use as GPS and music listening through earphones or bluetooth equipped helmets. Music fade feature: automatically kicks in when receiving a call in the car allowing user to hear caller through car speakers.