The Wi AudioStream EL pocket portable stereo digital wireless solution offers exceptional value and flexibility. Weighing in at only 1.08 Oz, this high quality, plug-and-play system quickly interchanges from an Ear-worn microphone to Lavalier MIC to audio monitoring system or VoIP device with a simple press of a button and swap of accessories, giving you the versatility and value of an all-in-one wireless solution for all types of sound system and computer applications. This fast-to-setup, high-quality 2.4GHz stereo digital wireless system provides up to 100 feet of secure, uncompressed 16bit, 48kHz CD quality wireless audio connectivity and operates without radio frequency (RF) interference, signal loss, or crackle inherent in UHF/VHF systems.