1. Sensor technology: Logitech Advanced Optical Tracking.\r\n2. Resolution: 1000dpi.\r\n3. Battery life: 18 months.\r\n4. Battery: 1 AA battery.\r\n5. Number of buttons: 3.\r\n6. Scroll wheel: Yes.\r\n7. Tilt: No.\r\n8. Mouse supports Unifying technology: Yes.\r\n9. Receiver supports Unifying technology: No.\r\n10. Wireless receiving range: 10m.\r\n11. Wireless system: Advanced 2.4GHz wireless connection technology.\r\n12. Connection interface: USB receiver.