The charger, dubbed Touchstone, still has to be plugged in to a mains socket, but it means Pre owners can simply lay their phone on the charging pad to top up the battery.

这个名为Touchstone的充电器，仍然需要插在电源插座上，但它能让Pre的拥有者们可以方便地将他们的手机放在充电座上充满电。

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The charger is usually plugged into the mains, but if armed with a battery it can be carried around for hours in a vest or backpack, thus allowing the patient to roam freely.

平常，充电器与人造心脏相联接(以供电)，但如果病人配备有电池，可以将电池随身携带在背心或背包内，从而使病人能够自由活动。

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The box will still ship with a micro-USB to USB cable in the box, allowing the handset to plug into a deskbound computer or a mains charger with a USB socket.

FORBES: O2 Looking To Ditch The Mobile Phone Charger