About this item Compatible with Meta Quest 3/Quest 3s: Still using BOBOVR’s innovative power swap design, the new battery architecture separates the discharge module from the battery pack, reducing battery pack heat. It also improves the discharge efficiency by 6% compared to the old model, and adds low-battery sound reminders and accurate battery levels; Brand new B100 battery system: Compared with B2, while the volume remains unchanged, the capacity is increased from 5200mah to 10000mah, the battery capacity is increased by 92%, and the weight is only increased by 28%. Thanks to the higher output efficiency, the available capacity is B2 2 times; S3 Pro has a built-in Head Air Cooling System: which uses silent technology to keep the head and face cool and comfortable even when Quest3/3S is worn for a long time, and supports 100-level flexible wind speed adjustment (Press the roller to open); 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. Tip: S3 Pro Strap is only Compatible with Meta Quest 3/Quest 3s; The air conditioning system requires B100 to work(Not compatible with B2 battery pack) ; Battery Configuration: Two 5000mAh lithium cells in series (7.3V total), – equivalent to a single 10000mAh/3.65V battery pack. › See more product details