Brand new factory sealed G Pro Wireless mouse. This is from the SN2106 batch which should have the newer 20M switches inside - the older batches use the a different switch (50M version) which is cheaply made and prone to having a double clicking issue. Read more: https://www.reddit.com/r/LogitechG/comments/jv4znf/logitech_g_pro_wireless_double_click/

If you are in the market for a g pro wireless you should be considering the new batches only - vendors who don't list the batch they are selling may be trying to offload older stock.