iGo Power Tip for Original Amazon Kindle and Select Sprint Smartphones Compact and lightweight to carrying tips for all your devices eliminating the need to carry individual model-specific chargers This tip compatible with Select Sprint Mobile Phones and Amazon Kindle Works with iGo everywhere15, iGo auto15 elite, iGo everywhere, iGo wall, iGo auto and iGo dualpower accessory Interchangeable power tips allow you to rapidly charge virtually all gadgets up to eight times faster than standard USB and trickle chargers with a single adapter. iGo power adaptor sold separately. Automatically configures and regulates voltage and current, eliminating the need to adjust proper voltage on a multi-voltage charger