Garmin eTrex 30x vs Garmin eTrex Touch 25: What is the difference?
Garmin eTrex® 30x | GPS with Digital Compass
Professional Ultra SanDisk 32GB MicroSDHC Card works with Garmin eTrex 30 GPS is custom formatted for high speed, lossless recording! Includes Standard SD Adapter. (UHS-1 Class 10 Certified 30MB/sec) : Electronics