[Built-in 6000mAh Battery]- Head strap for 2 headset built-in 6000mAh recharge battery and high-speed 2A cable, charge just plug it. Our Elite Strap extend 6 hours playtime in VR games or watch your favorite TV shows, , and clips for up to 6 hours. [No Press On Face]- For ergonomic strap increases balance and support, the whole head strap weighs 300g, better weight distribution takes pressure off your face for a massive improvement in comfort. [360 Degree Adjustable Headstrap]- The top two pu can move forward or backward to adjust the tightness, the knob on the back of the elite strap can rotate adjust the head circumference, The design has 5 different nodes that can be adjusted, you can freely adjust to the most comfortable state to adapt to different sizes of heads. [Enhanced Resilient Side Straps]- Our head strap for quest 2with battery is adopted upgraded ABS material which has much better tenacity that could stand over 100,000 times bending and is eco-friendly. Not easy to slide no matter how you move. [Soft Sweat-Absorbent Foam Pad]- head strap battery for sponges are made of high-quality PU and strongly elastic sponges. The sponges are detachable, easy to install and remove. Our head strap sponge has better anti- effect, suitable for long wear. The sponge has good breathability, less sweating, less slippery, and improved bearing capacity. [Superior Safety]- Built-in Exclusive Safety Protection System ensures the safety of you and your devices, comprehensive safety system includes Over-current protection, overcharge protection, overload protection and over-temperature protection, and more. Material: plastic colour: black+white Package Contents: 1 x Head strap for 2 headset 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.