Verbatim 44016 SecureDigital SD class 6 memory card features 4GB of storage and has a data transfer speed of 32 Mbit/s (4 MByte/s) making it ideal for devices like portable music players, cameras, camcorders, mobile phones, smartphones and tablet PC's This is a Class 4 high capacity SD card that includes a write protect feature to prevent data being accidental erasure The Verbatim part number for this product is 44016