• Note：The B2 is not compatible with the S3Pro
• B2 is a replaceable battery pack specially designed for BOBOVR battery straps. The battery pack can be hot-swapped through magnetic attraction.
• The weight is only 140g, which can better balance the front and back weight of the head, making it more comfortable to wear.
• The 5200mah capacity allows Quest2 to achieve twice the battery life, and can be quickly replaced by multiple battery packs to achieve unlimited battery life.
• The maximum charging and discharging power of 15W can keep Quest2 running while maintaining power. When B2 is exhausted, it can be fully charged with 80% power in 2 hours.
• It has 4 power indicator lights, a halo working light, and multiple redundant safety designs.