This little thing is called WonderCube, a cube that is only one cubic inch in size (about 25 cubic millimeters) and looks like a keychainAccessories. But it is a very practical electronic product that can charge Android or Apple devices in an emergency. It also has several functions such as a card reader, LED flashlight, and dry battery charging.
Currently, WonderCube is crowdfunding on Indiegogo. If it can raise US$50,000, it will be considered a success. The pre-order price is US$45. If it is officially launched, the price will be raised to $70, so friends who like it should hurry up and get it.
Card reader function: It can support reading and writing microSD cards with a maximum storage capacity of 64GB. However, this currently only supports reading and writing files on Android phones. If this crowdfunding is successful, an iOS application will be developed to support reading and writing on Apple devices.
Charging: WonderCube comes with a charging cable about 3 inches long, which can be replaced with Lightning interface or micro-usb interface at any time. It is perfectly supported by iPhone or Android mobile phones. Of course, this is just emergency charging and cannot be fully charged.
Dry battery charging: There is a small cover on the top of the WonderCube. Open it to insert a 9V dry battery. The internalIt is converted into 5V to charge mobile phones. According to reports, a 9V standard battery can support mobile phone calls for 3.5 hours.
Flashlight function: It has a 0.1-inch LED lamp bead, which can be used as a flashlight by simply installing a 3V button battery.