ℹ
info TOZO
Status LED indicator flashes blue four times every 2 seconds
Charging case is fully charged and has power.
? What Causes This
Fully charged condition of the charging case.
ⓘ What This Means
Maintain proper battery hygiene for extended use.
Source: page 7 of the official manual
From the manual
This error code appears in:
TOZO A1 True Wireless Stereo Earbuds