Accesorios de correa de batería S3 Pro, sistema de enfriamiento de aire de cabezal y 10000 mAh Hot-Swappa

Batteries capacity 10000mah 1 (B100) 10000mah 1 (B100) No 5200mah 1 (B2). Item model number S3 Pro. How do I turn on the fan on the S3 Pro?. How do I adjust the speed?. The structure of the back of the head is optimized,Flattened back structure enhances comfort during seated or reclined use, with adjustable height and removable overhead support.

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