Use the carbon fibre as the heaating material. Warming the hand with the comfortable temperature(42+-3 cercus)
Be safe to people and computer with the lower voltage(5V)
With the switch on/off on the USB line for choosing if needs warming
Can provide the models and colorS as the requirements and do OEM
800 DPI. Optical mouse
60pcs/ctn
12.5kg/ctn(gw)
Ctn size 520*410*470mm