2.4G Stable Wireless TransimissionIts a brand-new versatile mouse by our private mode. More secure and precise, the transmission distance can reach to 10 meters(approx 30ft). Virtually no delays or dropouts. No need any driver, just plug and play! 800mAh Battery Rechargeable MouseBuilt-in durable 800mAh internal Li battery, easy recharge through included USB cable without replacing the battery, its standby time is very long. can use while charging, energy-saving features, and automatic sleep mode. PS: Don't use the phone charger to charge the mouse, Otherwise, the battery will be damaged! Please connect mouse to the computer to charge the mouse!