A G402 clone from Amazon next to a G502. (apologies as I don't have a G402 to compare it to). The clone is marketed by Amazon under AmazonBasics brand and costs 8$. :
Amazon.com: Logitech G402 Hyperion Fury FPS Gaming Mouse : Video Games
Amazon.com: Logitech G402 Hyperion Fury FPS Gaming Mouse : Video Games
Amazon | Logitech G402 Hyperion Fury FPS Gaming Mouse with High Speed Fusion Engine (910-004069) [並行輸入品] | Logitech G | ゲーミングマウス 通販