Note: (1)Do Not USE for laptops (2)If use WIN8, WIN8.1, WIN10 when could not search the wifi signal, please use the adhesive plaster to stick the twentieth finger of the wifi card to obtain the wifi signal. ( Please see the product display) (3)Do not use for Desktop Computer Pci-e x1. Important Notice: Please must check and confirm your computer's motherboard whether open USB bus before purchase, because this card is going Bluetooth USB bus, if the motherboard does not open the USB bus, then it's unable to use Bluetooth function, also in the device manager cannot identify the new USB Bluetooth hardware. Color: green + black Material: PCB COMPLIANT WITH BLUETOOTH 2.1+ AND BLUETOOTH V3.0+. SUPPORTS WLAN + BLUETOOTH COEXISTENCE FOR OPTIMIZED PERFORMANCE IEEE 802.11 a/b/g COMPLIANCE. SUPPORTS BOTH 20MHz AND 40MHz CHANNEL OPERATION Model: RT3592BC8 : 630813-001 Speed: 300Mbps(Max) Card Size: 30mm * 26.8mm Compatible With Model: ProBook 4230s, Notebook PC ProBook 4330s, Notebook PC ProBook 4331s, Notebook PC ProBook 4430s, Notebook PC ProBook 4431s, Notebook PC ProBook 4530s, Notebook PC ProBook 4730s . Package included: 1 * Wireless Card Only the above package content, other products are not included. Note: Light 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.