Netgear AC1200 WiFi USB Adapter *Used for about 3 months. All original packaging, instructions, and items included. *Smoke free home *Faster access with USB 3.0; compatible with USB 2.0 High gain antennas for improved performance. *Beam forming+ technology boosts speed, range and reliability. *Desktop Dock for flexible placement *System Requirements Microsoft Windows 7, 8, 10, XP, Vista: (32/64-bit). Intel Pentium class PC *Lag-free, multiple HD streams throughout your home and devices *Supports Windows PC, does not support Apple Mac