Twenty best gadgets | battery, built-in mouse

Wireless mouse quickly put the batteries, especially for the older models. They have to be replaced often, and good alkaline batteries are not cheap. But there is quite a genuine solution . Disposable batteries can replace the battery pack from the mobile phone (in this case Nokia), which last much longer.

Charge it in two ways: either insert the battery into the old phone, or buy an external charger. It can be easily found in online stores.