The Rapoo MT550 comes in a small retail box and is pricedt at 33 Euros:

The retail package includes:

• 1 X Multi-mode Wireless Mouse
• 1 X USB Receiver
• 2 X AA battery (pre-installed)

The MT550 is a medium-to-small sized mouse, possible smaller that te one you are currently using for office use. Perhaps you may need some time to feel comfordable with it, with your palm easily rest on it.

At the front side of the mouse there are two click buttons, the scroll wheel, the button for changing the mouse DPI and an operation LED. At the left side there are three more leds and two additional buttons.

At the bottom side there is an on/off switch, the BT connection button and the device pair button. Of course there is also the battery hatch that hosts the 2.4Ghz wireless dongle inside.