用户可以将任何配件直接插到球上，比如学习用的台灯或者手机充电器。
The user can plug any accessory directly into the ball, like a lamp to study or a cell phone charger.
而即使你没有充电，插在插座上的手机充电器也在消耗电能。
Cell phone chargers can also waste electricity even when you are not charging your phone.
可装备在手腕上这个设计只是为了便利用户而已，但仅仅是加上腕带这个设计，就让这种充电器显得比普通的充电器好得多。
The wrist-mounting is merely for convenience, but the simple addition of the wrist strap appears to make this a whole lot better than the usual re-juicer.
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