This is the British English definition of fresh-faced. View American English definition of fresh-faced. Change your default dictionary to American English. View the pronunciation for fresh-faced.
In recent decades, wireless doorbell systems that do not require wall wiring have become popular. The doorbell button contains a built-in radio transmitter powered by a battery. When the button is pushed, the transmitter sends a radio signal to the receiver unit, which is plugged into a wall outlet inside the building.
Wireless headphones work by connecting, or pairing, with the device you want to use, through a radio or infrared signal. Many devices use Bluetooth technology to make connecting easier for the user. Devices with Bluetooth technology can connect and exchange data over very short distances using radio transmissions.abra Revo Wireless with Bluetooth. Wireless headphones are headphones that connect to a device, such as a smartphone, stereo speaker, television, gaming console, computer, or other electronic devices without using a wire or cable.