Features 4~32GB capacity High speed and good performance for micro-SD compatible devices Expand your smart phones or PDA capabilities with more space to get the job done! You will hold hundreds of images or songs, recording more videos, etc! For some digital cameras, you need get a SD card adapter to convert microSD to SD card without transmission speed loss. The microSD cards are universally compatible, for phones, tablets, music box, MP4, car DVR, camcorder and so on. Attention The factory designed the card according 1MB=1000KB, 1GB=1000MB. However, the computer is binary system, 1GB= 1024 MB, so the capacity you see on your computer is less than designed, it's normal, please understand. Please insert the card in the right direction softly, and choose FAT32 when you format, suggested for mainly storing mp3 and image files, not fit for big volume vedios ! Package included 1 X TF Card High-speed Micro SD card available in capacities of 4GB, 8GB, 16GB, and 32GB Class 10 rating ensures fast data transfer speeds for efficient performance Compatible with smartphones, tablets, DVRs, and other micro-SD compatible devices Expand your device's storage capacity to hold hundreds of images, songs, and videos For digital cameras, an SD card adapter may be required to convert microSD to SD without speed loss