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Thankfully, the battery is user-replaceable and available from Cambridge SoundWorks. When fully depleted, the battery takes up to 18 hours to charge, which seems quite long, and there's no battery-life indicator. If you leave the speaker on and there's no audio signal for 15 minutes, the unit automatically goes into a power-saving standby mode. The PlayDock's built-in rechargeable battery provides anywhere from 4 to 10 hours of life, depending on the volume of your music. We had no trouble securely fitting several other players into the holders. According to the manual, players supported by the flaps and inserts include Creative hard drive players, the Dell Pocket DJ, the Apple iPod, and iPod mini–size players. The PlayDock comes with two removable rubber flaps that hold high-capacity MP3 players in place atop the unit, as well as inserts for smaller players.
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The audio signal is accepted via a short audio line-in cable with a standard 1/8-inch plug that fits in the headphone jack of almost any audio device. There's also a mini USB to barrel-style DC connector for some older Creative players. It comes with a mini USB to mini USB cable, so it can charge any player that accepts that type of plug. As a division of the same company that owns Creative, Cambridge SoundWorks made the PlayDock with Creative players in mind, but it works just as well with other MP3 players.
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