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Invincible Remote Phones

The John Doe 'John's Phone' Can Use Any SIM Card in the World

— March 8, 2012 — Tech
A previously covered emergency phone that lasts approximately 15 years on a single battery might have just met its match with the John Doe 'John's Phone' collection of colorful simple phones. These phones may not last 15 years on a single battery but do last up to three weeks on a single charge. Furthermore, they'll work with any SIM card the user has to offer.

The idea behind the John Doe John's Phone line of cellular devices is to give consumers a simple phone with no extra features that could cause battery drainage. Its simple design includes large keys and even includes a mini address book and pen that are removable from the back of the phone to quickly note numbers and information when needed.
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