Key Specifications/Special Features: 1.Interchangeable and Small Compared to most SIM-sized smarts cards in the market, the "miniOne Smart Card Reader" interchangeable SIM-sized smart card allows you to freely exchange SIM-sized smart cards. Additionally, it is the smallest size reader for interchangeable smart cards. The "miniOne" also has a keychain loop for you to carry important information at all times. 2. Retractable USB Connector The "miniOne" is designed with a 3-step-adjustable USB connector. By pulling back the key chain loop, the USB connector would automatically draw back into the smart card reader. Hence, there is no need for a USB cover. 1st: Push to the top to connect USB for reading process. 2ND: Pull back to hide USB connector. 3rd: Draw back to the end to replace SIM-size cards. 3. Executive 2/3 Interface Design Most USB connectors are in the middle of a reader, always blocking the other USB ports on a computer. The "miniOne", with this in mind, was created with a 2/3 design. By moving the USB connecter to the edge of the device it allows for other USB devices to connect to a computer at the same time, eliminating the inconvenience of repeatedly unplugging USB devices. Spec Model numbers: FSR0661001 1. Dimension: 70mm(L) x 25mm(W) x 8mm(D) 2. Weight: 30g 3. Housing Material: ABS 4. Status Indicator: LED Blue: Power on; Flicking Blue: Reading process 5. Power Supply: USB port power (No external power required) 5V± 5%, 45mA 6. Connection: USB 2.0 / USB 1.1 7. Operating Systems: Win ME / 2000 / 2003 / XP / Vista / 7 8. Certifications: PC/SC; ISO 7816; WHQL; BSMI; EMV 2000 level 1; FCC; CE 9. Protocols: 1)ISO 7816-1/2/3 T=0 and T=1 protocol 2)SLE4418 / 4428, SLE4432 / 4442, SLE4436 / 5536 3)AT88SC1608R & AT45D041 and I2C Memory card 10. Support Card Type: All ISO 7816 SIM sized smart cards 11. Working Environment: Temperature 2~45C / Humidity: 40%~80% 12. Durability: Minimum 100, 000 cycles