Efficient Wireless Transmission: Stable 2.4GHz wireless mouse connection with high anti-interference can be up to 33ft/10M. With a USB receiver(stored in the bottom slot) and a type-c receiver, support plug in and play. Rechargeable & Real Ultra Silent: Built-in durable 450mAh lithium rechargeable battery, with a charging cable, can last up to 360 hours after fully ,6 moths stand by. The click sound is 30dB, reducing 90% noise, great deal silent click wireless mouse for office, study room, library, cafe, conference, bedroom. avoiding disturbing others and you can focus on your work. Skin-friendly: Round and comfortable shape design with skin-friendly surface, perfectly fits the hand curve, non- and sweat-proof, Without fatigue even after working with the slim wireless mouse for a long time. Perfect for office working, gaming, Web surfing, . 3-Level : with 800/1200/1600DPI three adjustable , You are free to adjust the mouse sensitivity to match your activity, the higher , the faster the cursor on your screen will move. One portable wireless mouse satisfy all kinds working needs. Wide Compatibility: Well compatible with Windows 2000/XP/7/8/10/Vista and . Note: Type C adapter can use for type c port device, you need connect USB receiver with it before you use wireless mouse. Colour:Black Material:ABS Size:11x5.7x2.1cm Package Contents: 2 * wireless mouse 2 * receiver 2 * charging cable Note: 1.The first time using it please fully charge it for 2 hours. 2.The USB receiver is the slot in the bottom of the wireless mouse. 3.You can adjust the sensitivity freely according to your using needs, by clicking the (800/1200/1600DPI)button in the mouse. 4.The wireless mouse will be in a dormant state if not be used for a long time, and will reawakenedby clicking the mouse. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.