Specification: Name: 2.4G wireless mouse Model: F-36A Colour: Black           Number of button: 6 buttons Tracking System: Optical Connection method: 2.4GHZ Frequency: 2402.85MHz-2480.85MHz Effective distance: 10m Working voltage/current: 3.7V4mA Built-in battery: 600mah lithium battery Button life: 5 million times Roller life: 1.2 million revolutions Resolution: 1000-1600-2400DPI Rate of return: 250Hz Product size: about 124*70*67mm/4.88*2.76*2.64inch Product weight: 105±5g Packing size: about 123*80*80mm/4.84*3.15*3.15inch Packing weight: 175g What should I do if the mouse does not respond? 1. Please use the data cable to charge the mouse. 2. Please try to replace the receiver with a USB interface. 3. Make sure the power switch on the bottom of the mouse has been turned to the on or undefined position. 4. Try restarting the computer. 5. When the mouse is powered on, press the left, middle and right buttons at the same time, then insert the receiver into the computer, wait for 5 seconds, release the button, and re-pair the code successfully. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 * Mouse 1 * Charging cable 1 * Multilingual instructions 1. Comfortable Operating Experience: The mainstream hardware performance brings a comfortable operating experience. 2. Ergonomics: Smooth feel, ergonomic design, both aesthetic and comfortable hand feel. 3. Wireless Mouse: Get rid of the shackles of wires, excellent wireless performance, high-frequency wireless code-free technology, the signal is more stable, and the operating distance is up to 10m. 4. Relieve Discomfort: The bionic rubber apron can increase the friction with the fingers and has a soft touch. Long-term operation can reduce the discomfort.