This data cable connects your iPhone to your computer. It is great to have an extra cable at home or at work. Don’t risk running out of battery power.. buy a spare iPhone cable today! This USB male to Apple 30 pin male data cable is compatible with iPhone 4. Whilst connected to your... This data cable connects your iPhone to your computer. It is great to have an extra cable at home or at work. Don’t risk running out of battery power.. buy a spare iPhone cable today! This USB male to Apple 30 pin male data cable is compatible with iPhone 4. Whilst connected to your computer’s USB port, this cable will charge your phone whilst you transfer your favourite music and videos. - Premium quality USB data cable for iPhone 4 - Ensures reliable and high performance data rate - Cable length: 100cm