WHOLE METAL UHF WIRELESS In Ear Monitor SYSTEM Uhf-band frequencies frequency agile over a 25 MHz bandwidth<br />Ultra-compact design with 100 selectable UHF frequencies for interference-free performance (Up to 20 systems can operate simultaneously) and an operating range of 300-feet. Ideal for both small and large venues.<br />LCD display low-battery indicator on the receiver Compatible with professional in-ear monitor earbuds and consumer headphones with 3.5mm jack<br />Mono Mode  LCD display low-battery indicator on the receiver also have a USB player<br />Built-in Limiter circuitry eliminating distortion under excessive input levels. Front panel 1/4-inch stereo monitoring headphone jack<br />Xtuga -BK510 IEM WHOLE METAL UHF WIRELESS In Ear Monitor SYSTEM This system comply with new FCC frequency rules. There are 2 frequency range for this in-ear monitor system: 572-603Mhz 606-613Mhz. Please leave us a message which one do you choose. Otherwise， we will ship it to you random. Thanks. Twin transmitter Monitoring， Effective distance 150 Meter singal channel Professional Wireless In Ear Monitor System for Stage Performance， Wireless Microphone Monitoring System with corner brace. This is an excellent dual channel in-ear monitor system. Can be use in stage， singing， speech， church， Simultaneous interpretation， tour guider....etc. Feature: LCD display shows clear working status Low battery remind of bodypack receivers 2 power switch control Have a mout in the both side of the mechine， easy to setup. Strong signal， UHF frequency Digital tone key locking technology to avoid possible interference. 40 preset channels separately by 4 groups， can be adjustable Effective Distance:150 Meter Audio output: mono Package Include(Whole system): Transmitter × 1 Bodypack receiver × 1 Antenna × 1 Earphone × 1 Cable Line × 2 Power Adapter × 1 User Manual × 1 PEM-1000-R WIRELESS RECEIVER Controls: Volume/ON-OFF wheel Connectors: 3.5 mm mini jack for earbuds output Attachment Mount: Belt Clip Battery needed: 2xAA Battery Life: 17-20 hours Dimensions: 4.5” x 0.9” x 2.6” Weight: 2.98lbs BK510 wireless In ear monitor system Connectors: ¼” Stereo headphones monitor out， Combo ¼” - XLR female type in， ¼” TS unbalanced loop out jacks， 1/12” barrel-type DC input jack; BNC antenna socket Controls: Power/Mute On/Off Power Requirement: 12V DC Dimensions: 8.27” x 9.1” x 1.75” Weight: 2.98lbs