1. Allows the user to use a mini PCI-e WWAN module in an M.2 Key B slot in a desktop or laptop computer. 2. Supports USB interface for Mini PCI-E cards (Socket 2 SSIC-based WWAN) such as 2G GSM, GPRS, 3G, CDMA, WLAN, WWLAN, HSPA MODEM, GPS, 4G WiMAX, LTE, 5G, Mini-card to desktop PC. 3. Supports full-size mini PCI-E cards. 4. No extra power required. 5. Supports 3042/3052 M.2 Key B card dimensions. Type: A: with NANO SIM card slot Color: Green Material: PCB Package Contents: 1 * mini PCI-E to M.2 adapter 1 set * installation accessories (The color of the installation accessories is random, no specification is accepted). Only the above package contents are included, other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.