Extended MR Adventures 5,300mAh capacity prolongs mixed reality experiences by 2 - 3 hoursUniversal Comfort Self-adaptive mechanism ensures a perfect fit for all users, including those wearing glassesDual Power Charging Innovative system allows simultaneous charging of multiple devicesZero Facial Pressure Designed to eliminate discomfort during extended use sessionsVersatile Compatibility Engineered specifically for Meta Quest 3 / 3S headsetsSpecifications:Material: Plastic, memory foam, soft PU leatherBattery Capacity: 5300mAhCharging Power: 45W (MAX 25W for HMD + 18W for K4 Boost)Alternative Charging: 36W (MAX 18W for HMD + 18W for K4 Boost)Compatible with:Meta Quest 3Meta Quest 3SPackage included:1 x Headband1 x English User Manual