This is not a Raspberry Pi Zero , It is a size compatible with Raspberry Pi Zero But CPU is different from Raspberry Pi Zero
which mean you can not run Raspberry Pi official Raspbian OS
However, The Banana Pi support their official Banana Pi debian OS
The Banana Pi M2 Zero is an ultra compact single board computer which measures only 60mm*30mm. Its external interfaces are the same as the Raspberry Pi Zero W, and it will fit almost all cases and accessories for the Zero W. It uses the quad-core Cortex A7 Allwinner H3(option H2+ H5) processor, with 512MB RAM. It‘s ideal for light-weight systems and space-limited applications. Like other members of the Banana Pi family, it supports both Linux and Android operating systems.
Banana Pi M2 Zero: Low-Cost, Quad Core SBC