Uniquely, the Sennheiser RS 195 Wireless Headphones have been designed to accommodate the changing hearing patterns that occur over the years, all without conceding any audio quality. These closed, circumaural headphones offer exceptional digital wireless audio transmission with a range of up to 328ft/100m (line of sight). The multi-purpose transmitter doubles as an easy-charge cradle and docking station. Choose between selectable hearing boost presets and an additional noise suppression mode for clearer dialogues and superior speech intelligibility. A balance control allows for right/left volume adjustment. This universal model includes a power supply with four adapters (EU, UK, USA, AU). The RS 195 transmitter supports both analog and digital audio inputs, allowing you to freely enjoy your favorite music and TV programs from room to room.