Amazon.com: Rebuff Reality TrackStrap Plus - VIVE Tracker 3.0 / VIVE Tracker (Sold Separately) Full Body Tracking - 10+ hrs 6,000mAh Battery - Adjustable Comfortable Foot Straps and Waist Belt - Popular
About VIVE Tracker (3.0)
Amazon.com: HTC 3 Pack Vive Tracker (3.0) - with HTC Vive SteamVR Base Station 2.0 for Vive Pro, Rebuff TrackBelt + 2 TrackStraps Full Body Tracking VR Bundle : Video Games