Our company is looking for a supplier of memory cards on a regular basis.16GB class10 microTF+SD adapter write speed 10MB s read speed of 20MB s 5$ pcs32GB class10 microTF+SD adapter write speed 10MB s read speed of 20MB s 8$ pcs64GB class10 microTF+SD adapter write speed 10MB s read speed of 20MB s 11$pcs