Features CONVENIENT DESIGN - With 6 button design, Quick thumb function lets you forward and backward fast when browsing the web. SILENT CLICK - Special soundless design for the right and left buttons, help you build a quiet atmosphere without disturbing others. STABLE & ACCURATE TRACKING - 2.4GHz wireless mouse, up to 10 meters ultra long-distance and stable wireless transmission. 800/1200/1800 DPI free switch to meet your needs with high precision. Chose higher DPI, the cursor on your screen will move faster. RECHARGEABLE BATTERY - Built-in rechargeable battery. No need to change batteries. Up to 18 months of Li-ion battery life virtually eliminates the need to change batteries (Battery life may vary based on user and computing conditions.) ERGONOMIC DESIGN - Fits naturally in your hand with no cramping after extended gaming or work sessions. BREATHING LIGHTING - Provides a soft and calming ambient light. Stable seven different colors provide a constantly changing and unique look. Parameter Wireless Technology: 2.4GHz Customize DPI Switch: 800/1200/1800 dpi Work Type: Photoelectricity Switch Life: 20 million cycle Buttons: 6 buttons with scroll wheel Battery Capacity: 600 mAh (Also working when charging) Color: Black, White Size: 5.43 x 3.15 x 1.50 inch/ 138 x 80 x 38 mm Net Weight: 3.63 oz/ 103 g Package includes: 1 x Wireless Mouse 1 x Micro USB Charging Cable 1 x User Manual