1.Extended Gaming Time:With the built-in 8000mAh battery pack, it offers an extended gaming time of up to 2-3 additional hours. Equipped with a Type-C fast charging port for quick and convenient recharging. 2. Adjustable Knob:This head strap is meticulously crafted to perfectly fit the Quest 3 headset, ensuring a secure and comfortable fit. The adjustable knob allows you to effortlessly customize the tightness, catering to heads of various sizes and ensuring a snug fit for everyone. 3.Ergonomic Design for Optimal Balance:The head strap's ergonomic design helps distribute the weight of the Quest 3 headset evenly, reducing strain on your face and providing a well-balanced wearing experience. Say goodbye to discomfort and enjoy hours of gaming without fatigue. 4.Vibrant RGB Lighting Effects:Specifically designed for 3, this VR head strap features colorful LED backlighting and a gradient breathing light effect. Enjoy RGB , 7 static light modes, breathing mode, and flashing mode for an immersive visual experience. 5.Recharge the VR: It has built-in 8000mAH battery. PLEASE NOTE: Our products are VR accessories only, we do not sell Quest 3 and controllers, if you need the Quest 3 and controllers, please do not buy our product by mistake. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:black Material:plastic Package Contents: 1 x Head Strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.