Foldable Mini Speaker Box with Built-in Amplifer for iPod/Notebook PC/MP3/MP4 Players.

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Features:

* Compact foldable design for easy carrying and storage wherever you go

* Durable and lightweight aluminum housing

* Built-in amplifier with high efficiency to deliver a full spectrum of pure, vivid and distinct sound

* Over eight hours of playtime with four alkaline batteries

* Can be used with any portable audio device with stereo jack output

* Power supply: battery/DC/AC

* Speaker unit: 50mm x 2W x 2 (4ohms)

* Signal cable: 22cm with 3.5mm ST gold-plated plug

* Output power: 0.9W x 2

* Frequency response: 150Hz-18KHz

* Batteries: 4 x AAA batteries

* Dimensions: 207 x 53 x 62mm (opened), 112 x 62 x 62mm (folded)

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Packing includes:
* 1pc Speaker system
* 1pc Audio Signal Cable
* 1pc USB power cable