If you have any questions please feel free to contact us before leaving feedback or opening a case/return, it's our pleasure to help you solve the problem. Features: USB Warmer Mouse Pad with built-in warmer pad can help warm your freezing cold hand while you are at work. The temperature of the mouse pad will go up to a suitable degree after it is connected to the computer, just plug it into the USB port, then you can warm your hand all the time. Lovely design,beautiful and practial,suit for home and office desk.Please note that the heater is separated from the mouse pad. You can choose to use or don't use the heater when using the warm mouse pad. Specifications: Name: Heated hand warmer mouse pad Size: about 29*22cm Material: Super soft short plush Applicable people: office staff/students Applicable computer: notebook/desktop computer Applicable gift-giving occasions: opening ceremony, employee benefits, anniversary celebrations, advertising promotions, festivals, business gifts Color: black, pink Package includes: 1 X USB heated mouse pad (mouse is not included)