https://fjallfoss.fcc.gov/oetcf/eas...&application_id=425437&fcc_id='XJN-SYPID7901'
Enjoy.
Seeing the specs and photos of the battery makes the consider the possibility of perhaps replacing it (them) once I run out of trick to optimize the life.
In Tech Spec: The device is powered by 2 X 4.2V rechargeable batteries
Enjoy.
Seeing the specs and photos of the battery makes the consider the possibility of perhaps replacing it (them) once I run out of trick to optimize the life.
In Tech Spec: The device is powered by 2 X 4.2V rechargeable batteries
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