Light and compact, with a key chain, easy to carry No additional driver installation required，
Card Compatibility: MICRO SD/SDXC/TF card. After testing, support 512GB, plug in TF card can be used directly as a USB flash drive
Fast speed: in line with 2.0 specification, fast data transmission rate for reliable copy/download/backup.
Powers via USB port, no additional power supply needed. Anti-magnetic, anti-vibration, moisture-proof, high and low temperature resistant, and resistant to hitting.