Now, as developers, we can really get to try out the product.

This week we are announcing our new Firefox OS developer preview phones because we believe that developers will help bring the power of the web to mobile. These developer phones are being developed by Geeksphone in partnership with Telefonica and Geeksphone.
•CPU Qualcomm Snapdragon S1 1Ghz
•UMTS 2100/1900/900 (3G HSPA)
•GSM 850/900/1800/1900 (2G EDGE)
•Screen 3.5″ HVGA Multitouch
•3 MP Camera
•4GB ROM, 512 MB RAM
•MicroSD, Wifi N, Light and proxmity Sensor, G-Sensor, GPS, MicroUSB
•1580 mAh battery
•Over the air updates
•Unlocked, add your own SIM card

Firefox OS Developer Preview Phones Announced [hacks.mozilla.org]