它的背面是个特色:那是一块太阳能充电板。
Flipping it over though reveals the kicker-a solar panel for charging in the sun.
下一个目标:无需充电板也能无线充电。
这套为iPhone手机设计的充电皮套和充电板总价80美元,而Pre无线座充的价格则是70美元。
The iPhone charging skin and charger pad combination costs $80, while the Pre wireless charger is a $70 add-on from Palm.
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