Type: Mouse Mouse Type: Leisure Mouse Connect Type: Bluetooth Wireless Bluetooth Version: 3.0 Optical Resolution: 1000DPI, 1200DPI, 1600DPI Key Number: 5 Wireless Distance: 10m Roller Number: 1 Location Technique: Optical Battery Type: 2 x AAA Battery, Not Included Ergonomics: Support Frequency Band: 2.4-2.4835 GHz Receiving Sensitivity: -75bm Operating Voltage: 3V Operating Current: 0.2-12m A