TRELC Wireless Trackball Mouse - USB

Specification Button Quantity: 8 Tracking: Optical Frequency: 2402.85MHZ-2480.85MHz Effective Distance: >33 ft Operating Voltage/Current: 3.7 V / 25 mA Button Durability: 3 Million Times Wheel Durability: 1.2 Million Rotation Product Dimensions: 5.3 x 4 x 2 inches Product Weight: 0.6 lb DPI: 400-800-1200-1600-2400-4800-8000 DPI 2.4 GHz Report Rate: 125 -500Hz BT Report Rate: 133Hz Compatibility - USB Receiver Connection Required: available USB port Compatible with Windows 7/8/10/ 11 or later Compatible with MacOS 10.10 or later Compatible with Chrome OS / Linux or later - BT Connection Required: BT low energy technology Compatible with Windows 8/10/ 11 or later Compatible with MacOS 10.10 or later Compatible with Chrome OS / Android 5.0 or later Note: The programming function, back/forward buttons can not work on Mac. Package Contents 1 x Ergonomic Mouse 1 x Receiver 1 x Charging Cable 1 x Instruction Manual Note: Due to the innovative design of this ergonomic mouse, you may initially find it difficult to use. Please continue to use over several days to grow accustomed to and enjoy the full comfort of the design.