1. Type C can be replaced with USB<br>2. The height of LED charging indicator can be aligned with USB interface Connector SMD pH2 0 connect the lithium battery<br>3. It can work for a long time when the LED power is 3.5W<br>4. Using 3.7V 5200m lithium battery, the charging can be completed in about 4 or 5 hours without reducing the service life of the module
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