mophie has unveiled its new Hold Force system of form-fitting cases and accessories, designed with built-in magnetic technology to transform your iPhone 7 into a modular, all-purpose device.

While the base case fits snugly over your smartphone, magnetic plates embedded in the back of the case allow you to attach any Hold Force accessory simply by touching it to the back of the smartphone. This means you can attach a wallet or folio for everyday use, or powerstation external battery for a quick charge.

Each of the two available models feature a thin, low profile design with raised corners for added protection. The base case "grad" model incorporates a crystal clear TPU outer band with soft grip, while the base case "wrap" model is designed with crystal clear PC and soft TPE grip on top and bottom. A bright color TPU over-mold provides additional protection from bumps and drops.

The mophie Hold Force system is available now at and Best Buy for $39.95 USD (base case only, not including accessories).

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