The iMainGo 2 model runs on four AA batteries, while the iMainGo X uses a rechargeable lithium-ion battery.

IMainGo2通过4颗AA电池运作，iMainGo X使用的是充电锂电池。

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Long play is matched by long-life battery performance, with up to 33 hour playback and 26 hour recording in LP4 mode with rechargeable battery and additional AA battery attached.

龙发挥旗鼓相当长寿命电池的性能与高达33小时播放，并与在LP4充电电池和额外的AA电池模式26小时的记录，附加。

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

FORBES: Meet Duo Gamer: A Console-Style Game Controller For iPad, iPhone, iPod Touch