The phone is compact enough to fit in narrow space. The stylish appearance matches various room interiors. You can block any specified number, as well as any head string of 2 to 8 digits matching your specified numbers or numberless calls. You can talk with your hands free. It's convenient when you need to take notes, etc. Also everyone around you can join the conversation. Just press the dedicated ECO button. Signal output is reduced by up to 90% and power consumption is reduced by about 3.5% when compared with the normal mode. In the Eco mode, the ECO indicator is clearly displayed on the LCD to show the Eco mode is activated.