Rechargeable Bluetooth Mouse Wireless Dual Mode 5.2 Bluetooth Silent Computer Mouse Ergonomic Mouse Ultra-Thin USB Mouse for PC Laptops Features: One Dual Mode Wireless MouseBluetooth 5.0+ USB 2.4GHz The dual mode wireless mouse realizes switch freely between two devices with one mouse only by simply toggle switching. It can be connected to one device via Bluetooth and to another device via a 2.4GHz USB receiver. Note: Bluetooth mode and 2.4G mode cannot be used at the same time. Tow .Rechargeable & Energy Saving Design The mouse built-in safe and durable rechargeable battery, Attached charging cable, without the need to replace the battery. Auto energy saving technology, The mouse will go to sleep after 10 minutes of inactivity to save power and provide long-term use. Click any button to wake up. Three .Silent Click & Adjustable DPI The left and right button mute processing design reduces 90% of noise. It is an ideal mouse for offices, libraries and other places where quiet is required. 3-Level adjustable DPI among 800, 1200 and 1600 to meet different needs. Four .Ergonomic Design Good surface coating technology gives you a skin-like touch. The ergonomic design provides 24 hours comfort for your work and study,Ultra Thin and lightweight design convenient for carrying. Five .Compatibility 2.4GHz mode works with laptop, desktop or any devices with USB port,Just plug in the USB receiver to play directly. Bluetooth mode works with Windows/ Android/ MAC OS system. Specification: Item Name: Bluetooth Wireless Mouse Working mode:2.4Ghz/Bluetooth Buttons: 4 buttons Adjustable DPI Switch: 800 / 1200 /1600 DPI Working Range: 10M Battery: Rechargeable lithium battery Battery capacity:500mAh Switch Life: 10 million Times Size: 112*60 *25mm The cheaper model does not have a charging function. After buying it, you have to configure the battery yourself so that the mouse can work properly. Only one of them will be shipped, so please choose carefully!