This item was purchased used, disassembled, maintained, and lightly cleaned. Please check the photos as parts from different colors may have been used. If the internal and external colors differ, it will be noted. New stick sensors replaced. Wireless connection confirmed, no drift, no slide lock degradation. Sync button not working, light 3rd LED not lighting up. Other buttons have been tested and are working. 【【Optional】】 +300 yen (per unit) for a new battery replacement. Please comment before purchase as I will update the price and page. Please refrain from purchasing if you are sensitive to used items. Re-listing is allowed (Yahoo!), please feel free to comment. Price negotiations via comments are not accepted. Will be carefully packaged and shipped via Yu-Packet Post (mini). ※※【Operation Guarantee】※※ Returns and refunds are available for initial operational defects. However, this is limited to those who can list and ship the item on Mercari or Yahoo! Auctions for the return. Otherwise, please return the item at your expense (regular mail is acceptable). Returns are not accepted after confirmation of receipt.