150g Size: 11.5*7.0*2.05cm For 1Standard SIM + 2Micro-SIM + 2Nano-SIM + 3CF + 7SD + 6TF + 1CARD PIN The case with a micro USB 3.0 port, can as a card reader for reading TF / CF / SD card, read speed up to 5Gbps. How To Read Cards 1. Open positive the left side blue soft rubber seal. 2. Open the card case, put the card in the card slot, then close the cover. 3. Use the data cable to plug into the read card box tail USB port. 4. Use the corresponding match data transmission port to connect the corresponding devices which support OTG protocol.