SanDisk announced the upcoming availability of two new memory cards, the Mobile Ultra MicroSDHC and Memory Stick Micro. Available in January, both cards offer 16 GB of high-capacity removable storage for mobile phones. The cards extend SanDisk’s line of microSDHC cards, which already includes 4 GB and 8 GB capacity models. The two cards have the world’s largest removable storage capacity for mobile handsets, Dan Hogan, director of retail marketing for SanDisk’s mobile products division, told TechNewsWorld.