KIWI Design K4 Duo AIO Head Strap with Battery for Meta Quest 3/3S Audio Strap

All-in-One Audio + Battery + Comfort Strap. Form Factor: Audio Head Strap with Battery. Powerful Built-In Battery. Input: 5V⎓3A / 9V⎓3A / 12V⎓3A / 15V⎓3A. Battery Capacity: 7.7V / 2650mAh / 20.4Wh. Enhanced Sound Quality.

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