第二个是为便携式产品的电池充电的锂电池充电管理器。
The second one is a lithium battery charger for portable digital products. Both they can work independently.
他们出售食品，小吃，光盘，服装和任何数量的其它便携式产品。
They sell food, snacks, CDs, clothing and any number of other portable goods.
当今，随着无线通信技术的迅猛发展，便携式产品得到了广泛应用。
Today, various portable products have become available due to the explosion of the applications in the wireless communication field.
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