Depusheng profeional UHF Dual Channel Wirele Headset/ Lapel Microphone System provides clear and warm vocal sound. This item works with any PA, Active Loudspeaker, Mixer, Amplifier or Karaoke Machine that has MIC INPUT and MIC VOLUME CONTROL. Product Feature: High Fidelity Sound- Using exclusive patent high-speed sound transmiion technology, the sound is clearer, no feedback, low distortion, low noise. Designed for vocals, makes the vocals are more prominent and true.Longer Operating Distance- Up to 100 Feet Operating Range. Up to 32 selectable frequencies, Each individual wirele microphone unit is equipped with a unique ID code that allows multiple wirele mics to be used simultaneously. Designed for small Dramas,Cla, Lectures, gym, Meeting, Church, Weddings, School Plays, Training, Interview, Recording, etc.Plug&Play- Insert the NASUM wirele headset/collar microphone into the jack of the transmitter, and then plug the wirele receiver into any 6.35mm(1/4'') MIC INPUT (not line in or aux in) jack,such as mixer, active speaker, amplifier or karaoke machine. Or plug a 3.5mm(1/8'') adapter to connect iPhone/Android phone, Tablet, Laptop, Desktop. Compatible with multiple devicesCompatible with mobile phones and SLR cameras, ideal for live performances like church, weddings, presentations, school plays, trainings and public speakings. Easy to read LED screenThe transmitter with LED display can display battery status, channel and other information. Comes with a camera shoe, which can be directly fixed to your DSLR camera and other shooting equipment. Technoical Parameter: Mini Receiver Dimension: 85 x 38 x 24mm Power Consumption: 80mA Battery Life: Up to 6 hrs Recharging Time: 450mAh Bodypack Transmitter (Metal) Product size: 83x60x20mm Working Time: Up to 8 hrs Note:1.This is not designed with built-in speaker. You will need an external audio device for sound output. 2.In order to avoid feedback, please turn down the external audio device before you plug in the mini receiver and then increase the volume slowly. 3.We do not recommend to use this product with MacBook. Supports Multiple Sets Working Together 4.This UHF technology also allows you to use several sets together without interfere with each other, great for interviews or small groups. 5.Spend a few minutes to select the most appropriate frequency before using this system. 6.If you want multiple sets working together, you need FULL multiple sets including receiver and its transmitter(s). One H-U05 receiver syncs with one transmitter only Package List: Q6:1 transmitter + 1 receiver: Portable Mini Receiver x1Bodypack Transmitter x1Headset Mic x1Lavalier Mic x1USB Cable x1SLR Audio Cable x1Phone Audio Cable x13.5mm to 6.35mm Adapter x1SLR Hot Shoe Clamp x1Phone Tripod Stand 1English User Manualx1 Q7:2 transmitter + 1 receiver: Portable Mini Receiver x1 Bodypack Transmitter x2 Headset Mic x2 Lavalier Mic x2 USB Cable x2 SLR Audio Cable x1 Phone Audio Cable x1 3.5mm to 6.35mm Adapter x1 SLR Hot Shoe Clampx1 Phone Tripod Stand 1 English User Manual x1