1) copy phone number from SIM card 2) TF/Micro SD card reader 3) Small MOQ 4) Accept paypal 5) High quality Cell phone SIM card reader and multiple card reader1) 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 ...