Logitech M705 Marathon Mouse Silver * Sensor Technology: Laser Accurate Motion Tracking * Sensor Resolution: 1000 * Number of Buttons: 7 * Scroll Wheel (I / N): Yes (High Speed Scroll) * Tilt scroll function (I / N): Yes * Battery life: 36 months * Battery type: 2 AA size batteries * Wireless range: Approx 10 meters * Wireless technology: Advanced 2.4GHz wireless connection (With Unifying support) * Interface: USB Receiver
