From Manufacturer
The Wi AudioStream Pro AV Portable Digital Wireless Lavalier System from Wi Digital is suitable for wireless audio applications including remote and location recording, monitoring, podcasting, and VoIP. It can be used with video cameras, DSLRs, and handheld recorders, and it is iPad, Windows Surface, Tablet PC, Mac, Windows, and USB compatible.
Equipped with an omnidirectional microphone, this system quickly transforms from a lavalier mic to an audio monitoring system with a simple swap of accessories. It provides up to 100' of secure, uncompressed 16-bit, 48 kHz CD quality and wide 15 Hz to 20 kHz frequency response wireless audio connectivity without RF interference, signal loss, or crackle.
Furthermore, the system includes compact and ultra-light 1.0 oz transmitter and receiver units that can be attached to a belt, a shirt's, or pant's pockets. The ¼"-20 screw mount on each transceiver unit enables you to mount it to camcorders, DSLR cameras, and other A/V gear using the included hot shoe adapter.
Finally, the system has an internal rechargeable battery that lasts for 4 to 6 hours of operation and comes with a USB AA battery adapter for up to 13 hours of extended use. The combination of audio performance, simplified setup, portability, and all-inclusive accessories lets you set up quickly and easily.