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You can get the WonderCube Pro on sale for $39.97 right now (reg. $70) until February 4. The WonderCube Pro is a folding keychain that has charging cables for different devices, a flash memory reader, support for file transfer, and an LED flashlight. The flexible USB connector has built-in gold-plated connectors for quick charging, and the WonderCube also has a folding micro connector, adapters for USB-C and Lightning cables, and a Micro-SD card reader that supports up to 128GB of memory. You can also attach a 9V battery to the cube for an emergency power source.
You can get the WonderCube Pro on sale for $39.97 right now (reg. $70) until February 7 at 11:59 p.m. PT, though prices can change at any time.