Syngadget - Oculus Quest 3 Head Strap with Battery Pack

Syntech's VR head straps for Quest 2 and Quest 3 offer improved comfort and
stability with upgraded features.
The large 10,000mAh battery supports up to 4-6 hours of extended VR use.
The adjustable designs allow for easy wear and include a rotating feature for
convenience.
Additional support is provided with a removable soft cotton strap and
skin-friendly padding for comfort.
Safety measures such as LiPo batteries, overcharge protection, overheating
protection, short-circuit protection, and overload protection ensure reliable
and safe use during intense gameplay.

Specifications:

10000mAh battery can fully charge the Quest 2 twice and increase the battery
life to about 4-6 hours.
Unique design solves thhe two major proems of Quest 2's short battery life and
headaches caused by a rigid support, significantly improving the comfort and
stability of the head strap.

Warranty: 6 Months

What's in the box:

1 x Oculus Head Strap

1 x Cotton Soft Strap

1 x Charging Cable

1 x Battery Pack