Features: T2power for Head band is a special for head cover that for Quest 2 VR glasses, which solves the problem of uncomfortable wearing. The magnetic suction installation back cover is convenient for installation, and the power battery life is designed to extend the for time of playing games. The foldable design can be adjusted to the appropriate size according to the for head circumference, reducing weight without pressing the face. Made of high quality material, with the characteristics of toughness, durability, and drop resistance, strong and sturdy and not easy to break. Scientific endurance power design, built-in 11.1Wh/5000mAh lithium battery, it can be charged while playing, makes it long service for time up to 5-6 hours. Specifications: Material: ABS Color: White Applicable Model: for Quest 2 VR Headset Model: T2power Adjustment: hood adjustment size 57-81 for cm/22.44-31.88 inch Principle: Support for Oculus Q2 headband Battery Capacity: 5000mAh Bare Metal Size: Approx. 207x200x85 mm /8.14x7.87x3.34 inch Maximum Product Size: Approx. 288x230x107 mm/11.33x9.05x4.21 inch Charging Display Function: One light on - about 25% of the charge; two lights on - about 50% of the charge; three lights on - about 75% of the charge; four lights on - 100% of the charge. After the four lamps are lit up, one of a light flashes to indicate that it is charging. The first light flashes quickly, indicating that the battery is too low, and the mobile power supply should be charged in for time. Package Includes: 1 Piece Rechargeable VR Headband note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.