Sennheiser Consumer Audio RS 175 RF Wireless Headphone System

Compact, ergonomic over-ear headphones. Connectivity Technology: Wireless.Frequency response 17 – 22,000 Hz.Specific uses for product : Communication.Transducer principle : Dynamic, Closed. Carrier frequency : 2.4 – 2.48 GHz.
Bass boost and surround sound listening modes. Maximum sound pressure level: 114 dB at 1kHz, 3 percentage THD. THD, total harmonic distortion: <0.5 percentage at 1 kHz, 100 dB SPL. Range: Up to 100 m
Digital wireless technology ensures that signal transmission remains clear and accurate
Easy to set up and enjoy
MAIN controls located on headphones
Wireless communication technology: Kleer