Answer: Yes, the default package of the M2 Pro includes a carrying strap and battery, the M2 Pro can be placed directly on the charging dock for charging.
Answer: No, you can just place the QUEST2 with the head strap on it to charge it.
Answer: Sorry, this is prohibited behavior. When the B2 battery pack is low, please disconnect the B2 battery pack from the Quest2, and then use an external charger to charge the B2 battery pack independently.