Product Description Infrared Wavelength: 850nm Carrier Frequency: R-ch 2.8MHz/L-ch 2.3MHz Effective Lemgth: Approximately 10 meters(straight) Speaker: 40mm mylar cone Impedance: 32Ohms±10% Frequency Response: 20~20,000Hz Modulation:±75KHz Distortion:<1% S/N Ratio: ≥55dB Power Supply: DC 3V(2×1.5V AAA batteries)
Product Feature Auto mute function on headphone Auto power off when no signal Volume control and on/off switch on headphone High quality ear cushions for wearing comfort