1、HIGH PERFORMANCE: Bring exceptional sound quality and professional monitoring function to performers of different levels and various sizes of performance venues, with 36 frequency points and 25MHz bandwidth for stable transfer. 2、EASY TO READ LCD SCREEN: The LCD screen displays frequency, channel, and battery level at a glance, ensuring convenient operations and user friendly experience during performances. 3、LIVE SOUND CARD COMPATIBLE: Equipped with a 3.5mm input jack for direct connection to live sound cards, ideal for internet celebrities for better live streaming effects. 4、STEREO TRANSMITTER AND RECEIVER: Ensures full and precise monitoring sound, delivering superior sound quality for performers like singers, guitarists, keyboardists, drummers, choirs, and orchestras. 5、WIDE RANGE AND STABLE CONNECTION: Indoor range of 50 meters, outdoor range of 100 meters, suitable for different scales of performance venues, ensuring stable connection for various performers. Item Type: Wireless Ear Monitoring System Frequency Range: 902-928mhz Channels: 36 frequencies Headphone Output: 3.5mm jack Transmitter Power Supply: 9V-12VDC 300mA Operating Distance: Indoor 50 meters, Outdoor 100 meters (depending on environment) Transmitter Output Power: 10mW Signal-to-Noise Ratio: 80 dB ATotal Harmonic Distortion<0.2% (1 kHz, +4dBu input) Frequency Response: 20Hz-20KHz Receiver Battery: 2xAA 1.5V (not included) 1 x Transmitter 1 x Receiver 1 x Headphone 4 x Ear caps 1 x Antenna 1 x Adapter 1 x User Manual