What’s the Micro USB Port function of Wismec Reuleaux RX 200S?

The USB port of Wismec Reuleaux RX 200S can be used for charging and upgrading firmware. It’s better to take out the cells and charge them through external charger.The USB port of Wismec Reuleaux RX 200S can be used for charging and upgrading firmware. It’s better to take out the cells and charge them through external charger.