Product Overview
1. Operating Mode: optical
2. Connection Mode: wireless
3. Mouse Interface: USB
4. Receiver: Nano receiver
5. Number of keys: 3
6. Roller direction: Four-Way Roller
7. System compatibility: for Windows Vista/7/8/10, MacOS X 10.4 or later, Chrome OS
8. Maximum resolution: 1000DPI
9. Transmission frequency: 2.4 GHz
10. Ergonomic: symmetrical Design
11. Power supply mode: 1 x AA Battery(not included)