No price negotiations, and please refrain from commenting. I purchased this new and only used it for about 10 minutes. I'm selling it because the size didn't suit me. All accessories are included. I will not provide any support if it is incompatible with your device. I will not provide any support under any circumstances. This is an ergonomic wireless mouse with FLOW functionality for comfortable operation. - Model Name: MX MASTER 2S - Brand: logicool - Wireless: Wireless Mouse - Color: Dark Gray - Features: FLOW Functionality - Shape: Ergonomic Design Thank you for viewing.