Kiwi H4 Boost Comfort Battery Head Strap for Quest 3/3s - Dual Fast Charge The VR Headset and Battery Strap, Halo Strap Reduce Facial Pressure

This head strap extends playtime with enhanced battery life and dual fast charging. It offers a comfortable, custom fit and adjustable FOV.

• The description claims extended playtime with up to 3 hours of additional battery life.
• The description claims dual fast charging can fully charge both devices in 2.5 hours.
• The description claims zero facial pressure and a custom fit through adaptive design and adjustable straps.