About BOMGE BOMGE is a company focused on the audio industry. We were established in 2018 and have a young product design, manufacturing and sales team. We are committed to providing the best quality and best price products to end customers all over the world. Let all people enjoy the fun of music at a amazing price. V-102 Features: VHF Dual Channel Handheld Wirele Microphone System, Large display on receiver + digital display on each mic, Each mic is large and solid with a nice weighted feel, Improved high performance wirele handheld microphone capsule, These mics are extremely sensitive which is great because you can keep the mic further away from your mouth and still get clear sound, Includes transmitter with two handheld, high sensitivity, unidirectional, wirele cardioid microphonesFeaturing a dual filter design to limit feedback and interference, Ultra-signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once with no interference, Individual microphone volume controls, Low power consumption for longer battery life.EASY SET UP: Plug and play, no need app or configuration, easy to use. The microphone uses 2*AA batteries(Not included), wirele mini receiver is built in rechargeable Li-battery, offering you great freedom of movement on stage or in the room. For this, one mini receiver works with two microphones.Specifications: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N. : >103dB (1KHz-A), Operating Temp: 14F 122F, Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Harmonic Radiation : < 65dBm, RF Output Power: 10mW, Power Voltage: AC110V- 60Hz.WHAT'S IN THE BOX: The package includes a receiver and 2 wirele handheld dynamic transmitter mic. The device can be used outdoor and indoor like a school claroom, church or at home for personal use V-220 BOMGE's Wirele Microphone Dual Channels UHF Fixed Frequency Dynamic Mic For Karaoke Wedding Party Band Church Show V-410 VERSATILE USE: The receiver features one XLR outputs and one 1/4 audio output jack It can auto pair up with transmitters for plug-and-go easy setup. Separate bodypack transmitters are available for a more flexible wirele microphone system. It is ideal for all outdoor activities such as party, wedding, speech, conference, small gigs, karaoke .BEYOND-EXPECTATION WIRELESS PERFORMANCE: 4-channel wirele mic set has fixed frequency design in providing ultra signal stability, eliminating unwanted distortion. The profeional receiver has LCD displays showing frequency number, and has individual volume control enabling precise vocal balancing. 4 channels can work without interference at the same time.Up to 50M long range reliable performance in wide open space line of sight.HIGH FIDELITY HANDHELD MICROPHONE: High sensitivity ensure the clarity of voice. Low noise and broad dynamic range. Large diameter moving coil pickup head effectively prevent whistling noise. Anti-falling metal head, durable and fashionable style.Require for 2*1.5V AA batteries, please note that they are excluding in the package.BOX CONTENTS: 1 x Receiver, 4 x microphones, 1 x 6.35mm TS cable, 1 x power charger, 1 x user manual. V-420