【Comfortable Hand-Feeling】 memzuoix 2.4G wireless mouse has modern contoured shape, sweat-resistant, and skin-friendly finish are for maximum comfort and support. The thoughtful ring and little finger rest provide extra comfort. The sturdy scroll wheel with rubber of usb mouse wireless makes sure that your hand will not slip when scrolling. | 【Plug & Play Super Easy To Use】Really plug & play design, no drivers need to be installed. 2.4GHz wireless transmission technology provides a powerful and reliable connection up to 43.0ft. Portable design makes wireless usb mouse easy to store in a bag for traveling.Computer wireless mouse size: 4.19 x 2.63 x 1.5 inch. | 【Energy Saving Design】Before using it, please remove the USB receiver(inside the battery compartment) and then install 2*AAA Dry Batteries(Not Included)!! The 'On/Off' switch design solves the trouble of changing battery frequently. Besides,mouse for computer wireless will turn to sleep mode in 7mins of inactivity for energy saving, can be easily activated by clicking any buttons. | 【 Strong Durability & Multifunction】Wireless mouse battery powered passed 6,000,000 times keystroke test to guarantee extra durability. 2.4GHz wireless technology and professional chip ensure longer working distance.memzuoix wireless mouse is also constructed with 5 buttons with multifunctional functions to improve productivity and efficiency in daily work. | 【Widely Compatible】Compatible with Windows 8/7/10/Vista/XP/2000, Mac, If you are using a Linux, because of the different needs of its kernel, you need to set related software of the requirements, this ergonomic mouse will be used normally. (NOTE!! Both forward and backward buttons are not recognized on Mac). | 【USB Port Required】The memzuoix wireless mouse connects via a USB receiver and requires your computer to have a USB port.If your laptop doesn't have a usb port, you can use a hub to connect them. | 【Widely Used】The wireless mouse is suitable for use in the office, home, school.Ergonomic wireless mouse is easy to carry, you can put it in the computer bag and take it to the coffee shop, library for office. It is also a good gift for family and friends on special days such as the school season and Christmas. | 【Great Customer Service】[90 Day Money-back Guarantee], [365 Days Warranty (replacement service) ] [Lifetime Technical Support]. If mouse does not fit your hand well,welcome to contact us for help, you'll get free replacement/refund without hassle at any time. | 【Package includes】1 memzuoix Wireless Optical Mouse, 1 USB receiver (inside of the mouse), 1 instruction manual,12-months friendly after-sales.