Important Only ship to U.S. addresses (Continental United States and Hawaii). The product is scheduled to ship in February 2025. Please note that orders cannot be cancelled, returned or refunded once confirmed. This product is for use with HaritoraX, HaritoraX 1.1, HaritoraX 1.1B, HaritoraX Wireless, and HaritoraX 2. HaritoraX 2 is not included. Connection to a Windows PC via a dedicated communication dongle or Bluetooth is required for use. A Windows PC with Bluetooth is required for firmware updates and settings using the “HaritoraX Wireless Body Part Changer” application. If you want to use HaritoraX Wireless, you must have “GX2 Communication Dongle for HaritoraX Wireless” or “GX6 Communication Dongle for HaritoraX Wireless” to use it. If you do not have a dongle, please purchase them separately. (When used with HaritoraX 2, only Bluetooth can be used.) Even with only a VR headset and two hand controllers, elbow movement can be represented to some extent. With the "HaritoraX 2 Expansion set for elbow tracking", you can achieve more accurate elbow movements and take your avatar to the next level.Click here to see the elbow tracking extension set comparison video. Contents Sensor (ELBOW L) x 1 Sensor (ELBOW R) x 1 USB Cable for Charging x 1 Safety Precautions/Warranty [HaritoraX Wireless Use Notes]HaritoraX Wireless can mix Bluetooth-connected sensors with dedicated dongle-connected sensors. Of course, all sensors can be connected to the dedicated dongle. *The maximum number of Bluetooth connections is 7 sensors, so either the GX2 or GX6 dongle is required when using the elbow tracking expansion set.Below are some combination patterns to help you make your purchase. For details, please visit HaritoraX 2 product website.