iHome has revealed more details regarding its upcoming iW1 AirPlay speaker system. According to the company’s website, the iW1 will feature a built-in rechargeable li-ion battery good for “hours” of audio playback, an included charging base for the unit, Bongiovi Acoustics DPS with specially tuned woofers, tweeters and a Class-D amplifier, support for local iPod or iPhone charging and playback via the USB port on the back, compatibility…