Sennheiser HDR 220

Weight: 484 g
Design: Full size
Description: Design: full-size, device type: wireless headphones, acoustic design: open, functions: volume control, operating time: 8 hours
Additional Information: Additional headphones, wireless transmitter sold separately; Battery type: AAA; Range: 100 m; Digital signal transmission: yes; Number of batteries: 2
Harmonic coefficient: 0.5 %
Functions: Volume control
Working hours: 8 h
Battery capacity: 600 mAh
Impedance: 150 ohm
Sensitivity: 106 dB
Device type: Wireless headphones
Mount type: Headband
Maximum playback frequency: 22000 Hz
Minimum repeatable frequency: 16 Hz
Technology: Dynamic
Type of acoustic design: Open