1. Sensor technology: optical tracking technology, rated value 400DPI, maximum value 2000 2. Number of keys: 5 3. Battery type: 1 AA battery (not included) 4. Connection type: Logitech Bolt USB receiver, Bluetooth low energy technology 5. Wireless reception range: about 10m wireless range 6. Product size: 107.19x61.80x37.8mm 7. Product weight: about 101.2g
