This is a REJECT model of the LAMZU MAYA X. I've been using it for about two weeks, and there are no problems with the operation or button feel, and there are no noticeable scratches or dirt. All accessories and the box are included. (Only the dust-prevention filter is attached to the bottom of the mouse.) Product size: Approximately 124 x 64 x 40mm Product weight: 47g Connection: Wireless/Wired Polling rate: Up to 8000Hz (when connected wirelessly) Sensor: Pixart 3950 (up to 30,000 DPI) MCU: Nordic 52840 Micro switch: Optical switch Battery type: Rechargeable battery Battery life: Up to 80 hours Acceleration: 50G IPS: 750 Accessories: 8K receiver, USB-A to USB-C cable, spare mouse feet, grip tape, limited edition sticker, drawstring bag, quick start guide