Colorway USB rechargeable batteries - New generation of energy guardians! According to the size and functionality they correspond to standard batteries that are used in computer mice, keyboards, players, cameras and flashes for cameras, remote controls, flashlights, kid`s toys, radios, game consoles, tonometers and many other devices. With Colorway USB rechargeable batteries you will no longer be in a situation when the batteries are suddenly discharged and you need to go to the store – because each USB rechargeable battery can replace 500 pcs of ordinary batteries. The main advantage of new batteries – is ability to charge from any source, which has USB port! You do not need additional special equipment for charging. You can use USB port in computer, laptop, smartphone charger or car stereo with USB port… It is as easy as charging the smartphone!