3.5mm Headphone Audio Splitter Suction Mount for iPhone 4 4S Smartphone iPod MP3 MP4 PSP NDS - White (Electronics)
No major fault found with this product for 2 weeks of use. It sticks well on overshell my smartphone. Its ovoid aspect allows to fit more easily the right smartphone (a round, more likely to switch). I could not test the audio splitter since the helm