Razer Pro Click ergonomic wireless mouse features a 16,000 DPI sensor that maximizes its responsiveness, allowing you to work more efficiently. You can work without any worries that the battery will suddenly run out. In fact, the Razer Pro Click has a 400-hour battery life when connected to Bluetooth. Also, it offers up to 200 hours when connected via 2.4 GHz wireless. Therefore, you can power through long sessions at work. In fact, it comes with eight programmable buttons. This allows you to assign macro and secondary functions and create a customized mouse. Also, it’s ergonomically designed to prevent your wrist from hurting. As a result, the mouse improves your arm posture, helping alleviate strain.