Provides Multiple Pairing Options Connect To A Laptop Or Mobile Smart Device Via Bluetooth 3.0 Or 5.0 (Bluetooth Le) Or 2.4Ghz Via Usb-A Nano Dongle.Tracks Quickly And Accurately On Even The Most Difficult Modern Office Surfaces.Protects Your Data From Potential Hackers With Government-Grade Encryption Technology Aes 128-Bit Encryption.Easily Adjust The Cursor Speed To Meet Your Needs By Selecting The Appropriate Dpi Level.Works With Windows, Chrome Os, Macos, Android Os. ****Item Is Not Taa Compliant****