It has built-in rechargeable battery and looks cool, light weight, small and compact - it weighs only 90g.

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。

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The built-in rechargeable battery has a life of five hours.

内置的充电池可使用长达五小时。

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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。

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The integrated passive subwoofer features a ported enclosure for enhance bass performance. boomBOTTLE's built-in rechargeable lithium-ion battery provides up to 10 hours of continuous playback on a single charge.

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The built-in rechargeable lithium ion battery provides up to XX hours of continuous audio streaming.

ENGADGET: Scosche intros BoomBottle, thinks you'll prefer sound over water during bike rides

The Duo Gamer ships with two AA batteries instead of a built-in rechargeable battery.

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