Based on the phrasing "Zoeetree S1," this product name strongly suggests a , likely a portable projector , smart speaker , or wearable device (common naming conventions for Chinese electronics brands on Amazon/Alibaba).
might as well stand for "Switchable," because this speaker has three "hidden" modes accessible via the : zoeetree s1 user manual pdf
Bluetooth, 3.5mm AUX, TF/MicroSD Card, USB Flash Drive 2. Button Layout and Controls Based on the phrasing "Zoeetree S1," this product