因此，笔记本电脑行业出现了一个小趋势：更多的电子产品被设计成使用内置的可充电电池。
So, a small trend has begun in the industry: More electronic products are being designed with their rechargeable batteries sealed inside.
它带有内置式可充电电池，看上去很酷，重量又轻，小巧紧凑——只有90克重。
It has built-in rechargeable battery and looks cool, light weight, small and compact - it weighs only 90g.
它有一个内置的USB接口为灵活，方便的可充电电池。
It has a built in USB interfaced rechargeable battery for ease and convenience.
它有一个内置的USB接口为灵活，方便的可充电电池。
It has a built in USB interfaced rechargeable battery for ease and convenience.
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