CK0164B Features Wireless mouse Ergonomic design Supports up and down line by line scrolling Shortcuts forward and backward function Receiver collection function USB charging function Suitable for both hand using General Specs Color Black Interface USB 2.0 Type 2.4GHz wireless mouse DPI Resolution 800DPI-1600DPI adjustable Tracking Method 2.4GHz wireless Wireless Frequency 240MHz-2480MHz Wireless Channels 256， automatic frequency hopping Buttons 3 Wireless range 10 m Compatibility Laptops and desktop PCs Rated Working Voltage 1.5V Rated Working Current 13mAh Maximum Acceleration 14 inches/second Power Lithium battery