For vive tracker, provide belt and wrist strap for vive (Tracker NOT Include) | Very suitable for whole body tracking. Just put it on and tighten it. Protect your Vive and accessories from scratches, drops. (Tracker NOT Include) | Adjustable wrist strap and waist strap. The waist belt and wrist strap can be easily adjusted to the required size. (Tracker NOT Include) | Shock absorbent. The padding in the straps and belt has been made to absorb high and low-intensity vibrations ensuring accurate tracking. (Tracker NOT Include) | Package Contents: 1 x belt,4pcs hand/leg straps (Tracker NOT Include)