Logitech Pebble M350 Wireless Optical Mouse – Rose – Sensor technology: High Precision Optical Tracking – Sensor resolution: 1000 dpi – Number of buttons: 3 – Scroll wheel: Yes- Mechanical – Scroll Buttons: Middle Button – Unifying ready mouse: Yes – Unifying ready receiver: No – Battery life: 18 months – Battery type: 1 AA pre-installed battery – Wireless operating distance: 10m – Wireless technology: Logitech Receiver or Bluetooth Low Energy Technology – 910-005601 – 12 Months Limited Warranty