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Amazon.com: Apple iPhone 4s Cable USB Sync and Charging Cable for iPhone 4 4s 3G 3GS iPad 1 2 3 iPod Touch Nano 30 Pin Charger Cord Dock Adapter Data 3.3 Feet
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Amazon.com: iPhone 4 Charger Cables {3 Pack 3.3 Ft} 30 Pin to USB Fast Charge & Sync Charging Cable Certified for Old Apple iPhone 4s / 4, 3G / 3GS, Old iPad