Sensor & Tracking: - Sensor Technology: Smooth optical tracking - Nominal value: 1000 DPI Scroll Types: - Scroll Wheel: 2D, mechanical - Line-by-line scrolling Battery: - Battery type: 1 AA battery (pre-installed) - Battery life: 12 months*. (*Battery life varies with use conditions.) Connectivity: - Connection Type: Bluetooth Low Energy Technology*. (*Bluetooth enabled computers or mobile devices that support external mice (HID profile). Check with device manufacturer for details.) - Wireless range: 33 ft (10 m)*. (*Wireless range may vary based on user, environmental and computing conditions.) - Connect/ Power: ON/OFF Switch; Long press pairing mode System Requirements: Compatibility: Compatible with MacBook Neo laptops. Instant Bluetooth® connection. Seamless. Color-matched.