Purchase Date: July 2023 Usage Period: Approximately 1 year Surface disinfected with alcohol No box included Functionality confirmed in mid-March The device is currently out of charge, so please charge it before use. USB is not included, which is reflected in the price. (The enhanced receiver provides more stable performance than USB) There are no noticeable scratches, but there may be some dirt that couldn't be completely removed during cleaning. Please purchase only if you understand this. Purchases made by the evening of the 27th will be shipped the next day. Purchases made between the 28th and 31st will be shipped on April 1st. Please note. - Brand: BenQ - Model Name: EC2-CW - Color: Black - Type: Wireless Mouse - Included Items: Enhanced Receiver, Mouse Body - Price: ¥21,800