Product Description: Professional-grade gaming mouse designed for esports enthusiasts Featuring PMW3311 optical sensor and customizable RGB lighting. With 13 programmable buttons and 5 DPI presets up to 24000   this mouse gaming inspired design delivers tournament-level precision. The ergonomic shape with dedicated finger placements ensures comfort during marathon gaming sessions.   What should I do if my mouse is not responding? 1. Please use the data cable to charge the mouse. 2. Please replace the receiver with a USB port to try. 3. Make sure the power switch at the bottom of the mouse has been played to the on or position. 4. Reboot your computer. 5. 2.4G state long press the bottom of the bluetooth button for more than 3 seconds   insert the receiver into the USB port of the computer wait for the connection to be completed  (please keep the distance Predictionween the mouse and the receiver within 30CM when pairing code).   Bluetooth and 2.4G Tips. Short press the Bluetooth button at the bottom of the mouse   you can recognize the current use status by the light   red light represents 2.4G mode blue light represents Bluetooth mode.   Charging & Low Voltage Tips: When the power 20% the mouse will fast flash red light at this time you need to charge the mouse   charging 4 grid indicator light cycle in turn fully charged off.   DPI tips: A total of 5 DPI through the default 10th and 11th button to adjust   every change 1 gear light 1 light the 5th gear 4 lights all light.   Product Parameters: Number of keys: 13 keys Tracking System: Optical Frequency: 2402.85MHz-2480.85MHz Effective distance: =10m Operating voltage/current: 3.7V15mA Key life: 20 million times Roller life: 1.2 million revolutions DPI: 1600-2400-3200-4800-24000 DPI 2.4GHz Return Rate: 125Hz-4000Hz Bluetooth Return Rate: 133Hz   Product Specification: Product Size: 122*76*40 mm /4.8*2.9*1.57inch Product weight: 1105g / 0.25 lb Product Color: Black   Package Included: 1*wireless mouse 1*USB receiver 1*Charging cable 1*Instruction manual