Unlike many device-specific accessories, the Macally TurboTune external stereo speaker works with any audio player with a 3.5mm jack. The TurboTune speaker has a built-in 760mAh Li-ion rechargeable battery that provides up to 8 hours of continuous play and recharges with USB. The stereo speakers have 500mW of power per channel. The TurboTune is $29.99 from Macally.
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