1.different capacity of micro sd card 4gb.2.Full capacity 100% QC 3.Price:$2.3-$ ... ,fruit , stainless ,laser pointer ,silicon ,heart ,lighter ,wood ,name card ,credit card ,drinking bottle ,car ,bullet ,flight ,jewelry , plush toy and ect ... ) Common Size is from 64MB-16GB .and big size 32GB to 128GB7) Reading speed (USB2.0): 10MB .8) Writing speed (USB2 ...