【Portable Small Mouse】 Only 3.94*2.28*1.52 inches, the usb mouse is designed for small to medium sized hands to achieve optimal fit and comfort. Portable design makes it easy to store in a bag for traveling. 【Soft Click Quiet Mouse】 Responsive buttons and scroll wheel provide very soft click with less noise, no more disturbing others and bring you comfortable using experience. 【Easy to Use Laptop Mouse】 TECKNET travel mouse comes with a nano receiver (stored IN the mouse). 2.4GHz wireless technology ensures reliable connectivity up to 49ft. 3 adjustable DPI levels (1600/1200/800) to meet your different needs. Only need 1xAA battery (NOT included) to support up to 15 months battery life. 【Universal Compatibility】The optical mouse works perfectly for Chrome OS, Linux, Android, Vista, Windows11/10/8/7/2003/2000/XP, Mac OS X10.4 or later, etc. Fits for Chromebook, MacBook, Laptop, desktop, PC, etc. (NOTE: Only connects to devices with USB A port). 【Life Time Support】If you do not like our product or service, please feel free to contact us. Each TECKNET product provides 36 months warranty (registered only). Wireless Mouse, 2.4G Quiet Computer Mouse with USB Receiver, 4 Buttons Portable Cordless Mice for Chromebook, Laptop, PC, Mac, 800/1200/1600 DPI