Napster announced the addition of a host of mobile phones to the ever-expanding ecosystem of MP3 players and mobile devices compatible with the Napster To Go portable subscription music service.

The forthcoming Motorola Moto Q is the latest addition to the list of new generation Smartphones that operate on Microsoft's Windows Mobile 5.0 and Windows Mobile 2003 platforms, which allow subscribers to transfer and listen to an unlimited number of tracks from Napster's 1.5 million-plus song catalog for one monthly fee. Napster To Go was the world's first portable subscription service and offers a compelling alternative to a la carte download-only offerings.

In addition to the Moto Q, Napster To Go compatible phones are currently available from some of the most recognized names in the mobile industry including: Audiovox, HP, HTC, i-Mate, Orange, Palm Samsung, Siemens and Sierra. All models also offer transfer capabilities, ensuring playback of both subscription content and individually purchased downloads.

Napster To Go-compatible phones include: Audiovox PPC4100, Audiovox SMT5600, HP iPAQ HW6515, i-mate PDA2k, i-mate SP3/SP3i, Motorola MPX220, Motorola Moto Q, Orange SPV C500, Orange SPV M5000, Samsung i300, Samsung SCH- i730, Samsung SP-i600, Siemens SX66, Sierra Wireless Voq Professional, Sprint PCS Vision Smart Device Pocket PC 6600/6601, T-Mobile MDA Pro, Treo 650 with Pocket Tunes, Verizon XV6600 and Vodafone VPA IV.