high quality What's in the package: Receiver(6.35mm jack) x1, 6.35mm to 3.5mm converter x1, Transmitter x2, lavalier mic x2, headset mic x2, suitcase x1, instructions x1, charging cable x1Wide Compatibility: The UHF cordless head professional lapel microphone system is with 1/4(6.35mm)plug, can work with audio Mixer,PA system, speaker, amplifier, sound system. With 3.5mm converter in the package, also fit in DSLR camera, smartphoneNoise Reduction and Low Latency: Dual wireless lavalier mic comes with clear sound quality and high fidelity, with 16 adjustable frequencies to avoid interference, without feedback or distortion, supporting operation range of 164ft, line of sightSelectable channel and volume control: The wireless microphone system (microfonos inalambricos) is with sixteen adjustable frequencies, independent volume control, clear frequency and battery indicator. Transmitters mini body is with a clip on the back for convenient use, mini suitcase is included to pack and goMulti-use Applications: Two headset mics and lavalier body mics are included in the package, ideal for public speaking such as church, wedding, classroom teaching, presentations, training, speeches, singing, interviews,(need to connect to amplifier and speaker to outloud the sound) while it can work with camera, phones, pc to make video recording, vlogging