Wireless mouse can certainly be charged with a mobile phone charger, because wireless mouse it must be a battery, a battery, basically a 3.6 volt battery, so if you need to use a mobile phone charger to charge, you may need a converter, because the voltage of the mobile phone is 5 volts of 28, The voltage of the wireless mouse may be a ah, 5 volts or a 33.6 volt battery, so this needs to be a match, and it can be charged if it is well matched.
No, mobile phone charger ADAPTS to 20w, power, wireless mouse power is higher