Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Wireless 2.4G Silent Mouse Desktop Laptop Charging Wireless Mouse (charging 2.4G) Features: Wireless: More stable connection, -interference, longer connection distance, wireless , while enjoying the stability of wired level. Comfortable and quiet: Using button mute design, not afraid to disturb others, suitable for all kinds of silent occasions connection. Durable intelligent sleep: built-in large capacity 500mAh lithium battery,1 charge can be used for several months, no need to replace the battery repeatedly, is also better. Comfortable hand fit: ergonomic design, skin-friendly feel, -slip and -sweat use more comfortable. Three-stage DPI adjustment :800-1200-1600 three-stage DP1 adjustment, sensitive response to games, design, office, free switching. Widely compatible system: mouse laptop, desktop computer, mobile tablet, IOS, ,Pad , Android system and so on. Product Description: Parameters: Working mode: 2.4G Battery capacity: 500mAh Power supply mode: rechargeable lithium battery Key: 4 keys Overall dimension: 115x61x29mm Mouse weight: about 70g Working distance: 10m contain: 1x mouse Features: Wireless: More stable connection, -interference, longer connection distance, wireless , while enjoying the stability of wired level. Comfortable and quiet: Using button mute design, not afraid to disturb others, suitable for all kinds of silent occasions connection. Durable intelligent sleep: built-in large capacity 500mAh lithium battery,1 charge can be used for several months, no need to replace the battery repeatedly, is also better. Comfortable hand fit: ergonomic design, skin-friendly feel, -slip and -sweat use more comfortable.