Cell phone SIM card reader and multiple card reader
1) Backup phone number from SIM card ( applicable for GSM and CDMA card)
2) copy and write data between SIM card and computer.
3) Never worry about losing your friends' phone number.
4) multiple card reader, Support TF/Micro SD/SD/mini SD/MMC/SDHC
Accept Paypal.Mobile phone SIM card reader and TF/SD card reader