The QiStone+ charger is described as the only truly wireless power bank. The charger has a 4000mAh battery that can keep your phone or other Qi-chargeable device powered up during your day. You can even charge two devices simultaneously with the QiStone+ charger – one wirelessly on the Qi transmitter on the top of the power bank and the other plugged in to the USB port. And the QiStone+ has a Qi receiver on the bottom, so it can be recharged with any other Qi charger you have. It measures 4.3″ X 2.8″ X 0.8″ and weighs only 4.8 ounces. The QiStone+ wireless power bank is $79.99 at Amazon.
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