Extended MR Adventures 5,300mAh capacity prolongs mixed reality experiences by 2 - 3 hours Universal Comfort Self-adaptive mechanism ensures a perfect fit for all users, including those wearing glasses Dual Power Charging Innovative system allows simultaneous charging of multiple devices Zero Facial Pressure Designed to eliminate discomfort during extended use sessions Versatile Compatibility Engineered specifically for Meta Quest 3 or 3S headsets Specifications: Material: Plastic, memory foam, soft PU leather Battery Capacity: 5300mAh Charging Power: 45W (MAX 25W for HMD and 18W for K4 Boost) Alternative Charging: 36W (MAX 18W for HMD and 18W for K4 Boost) Compatible with: Meta Quest 3 Meta Quest 3S Package included: 1 x Headband 1 x English User Manual