HP ElitePad Expansion Jacket w/Battery, Docking, Black, MMC, SDHC, HP, ElitePad, 204,6 mm HP ElitePad Expansion Jacket w/Battery. Connectivity technology: Docking. Product color: Black, Compatible memory cards: MMC, SDHC, Brand compatibility: HP. Width: 204,6 mm, Depth: 17,5 mm, Height: 269,2 mm. I/O ports: 1 x combo stereo/headphone jack