palm Zire 31 PDA Intel ARM-based processor 200MHz 160 x 160 STN

Battery Type: Rechargeable Lithium Ion Polymer 900mAh battery
Dimensions: 0.6" x 2.9" x 4.4" (L x W x H)
IrDA: Yes
Memory: 16MB
Navigator: 5-way Navigator
Operating System: Palm OS 5.2.8
SD Card Slot: Supports MultiMediaCard, SD and SDIO expansion cards
Stylus: Yes
Touch Screen: Yes
Weight: 4.1 oz