Las Vegas - The House of Marley is expanding its selection of docking speakers with the CES launch of two portable Bluetooth-only AC/DC models, both using what the company called Earth-friendly materials.

One system, called Link, is made from a recycled plastic enclosure with bamboo baffle and covered in an Earth-friendly fabric. It comes with shoulder strap, full-range drovers, and passive radiators.

The Sling is a portable AC/DC two-way system, recycled-plastic enclosure with bamboo baffle, two 3.5-inch woofers, two 1-inch tweeters, and built-in, rechargeable five-hour battery.

Prices and ship dates were unavailable.

The company is also showing a trio of high-performance tabletop iPod/iPhone/iPad docking speakers shipping in the first quarter following the display of early prototypes at the 2011 CES.

All are two-way single-chassis stereo systems, including the $599-suggested One Foundation with 5.25-inch woofers, 1-inch tweeters, DSP, and IR remote with wood finish. It ships sometime in the first quarter

The $299 Get Up Stand, shipping in January, features 4.5-inch woofers, 1-inch tweeters, and aux in. The $349 AC/DC Bag Of Rhythm, also shipping in January, features 4.5-inch woofers and 1-inch tweeters but with a coaxial driver configuration. It comes in a harvest-green storage bag made of canvas and runs on six D cell batteries or an optional rechargeable battery pack.