HP Adapter 45W 19.5V 2.31A

Smooth Navigation with Less Noise Mouse Click – Slim ergonomic design and smooth frosted surface for an incredible user experience. Quieter and Easier to click, make you concentrate on your work without disturbing others beside you.
Rechargeable Optical Mouse – Built-in durable rechargeable battery, it can be easily charged using the included USB cable without replacing the battery. Just 2 hours charging, you can use it about 120 days.
Stable Connection and Power Efficient – The 2.4 GHz wireless mouse provides a powerful, reliable connection, effective up to 15 meters of range. This mouse will auto sleep after 8 minutes of inactivity for power saving, it can be waken up by clicking any button.
Universal Compatibility – work with Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc.This product is not compatible with macbook pro or other laptops which only have type c ports.
Portable and Durable – USB-receiver stays in your PC USB port or stows conveniently inside the wireless mouse when not in use. Perfect for work and entertainment in home or office.