Unique Single-Point-Charging Ecosystem for Quest 2: The Single-Point-Charging(SPC) Battery Head Strap along with our Charging Dock or RGB Vertical Stand can create a patented Single-Point-Charging(SPC) charging ecosystem to simultaneously charge your Quest 2 HMD and battery strap. Just drop-in and both gadgets will start charging Triple Your Enjoyment: The 6,400 mAh lithium cobaltate battery extends gameplay by two to four hours (depending on the app); ensures uninterrupted gaming Secure and Stable: Multi-protected thermal system and certified batteries provide safety and reliability; built-in battery prevents risks during gameplay Unrivaled Comfort: Ergonomic design offers excellent counterweight and pressure relief; enhances comfort Matchless User Experience: Padded top strap and back cushion with soft PU and memory foam; cradles your head for exceptional comfort