iPhone 4s Cable, [MFI Certified] BONAI 30-Pin USB Charging and Sync Dock Connector Data Cable Compatible Apple iPhone 4 4S, iPhone 3G 3GS, iPad 3 2 1, iPod Classic iPod Touch iPod Nano- 3.9ft / 1.2M

Amazon.com Price: $6.99 (as of 08/08/2020 17:33 PST- Details)

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Apple MFi Certified: 100% compatible with Apple devices, transmit data stably and charge fast without warning message.
2-in-1 function: Full play to performance, to ensure that charging and data transmission simultaneously.