1. Multi-card compatibility: This card reader supports card types, including bank cards, SD cards, and SIM cards. Easily read and manage different types of cards using just one device for convenient and practical use. 2. Portable convenience: With its compact and design, this card reader adapter is extremely easy to carry. It can effortlessly fit into pockets, wallets, or bags, allowing you to use it anytime, anywhere. 3. USB interface: The multi card reader features a USB interface design, making it compatible with most computers and devices. Simply plug the card reader into a USB port for quick connection and data transfer. This convenient interface design ensures easy and flexible device usage. 4. Intelligent card reading: This card hub adapter has intelligent card reading capabilities, automatically recognizing the card type and retrieving relevant information. No manual intervention or complicated settings are required. Users can quickly obtain the desired information by simply inserting the card into the card reader. 5. Secure and reliable: Manufactured with high-quality materials, this multi memory card reader is and stable. It ensures the security of user's personal information and data through password encryption and other security measures. (Different batches may have different printing patterns, but this does not affect the use) Card Slots: 6 in 1 Installation: External Interface: USB Uplink interface: USB 2.0 Function: Smart Card+Micro-SD+MS+M2+SD/MMC Disc: single disc (smart card can be read with any memory card) Transmission speed: 480Mbps Operating voltage: 5V Support card type: MMC, SIM, ID, CAC, DNIE, ATM, IC, Smart, SD / MMC, Micro-SD, MS, M2 OS: for 98/ME/2000/NT4.0/XP/CE/VISTA/7/8/8.1/10, LINUX, for OS 10.6-10.10 Color: Black Material: ABS Package Contents: 1 * Card Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.