Motorola RLN4922 Completely Discreet Earpiece Kit
Model Number:  RLN4922
This miniature receiver fits inside your ear and lets you communicate in full privacy, without visible equipment. Small as it is, it still offers a full range of audio functions, including automatic squelch, automatic gain control and noise filtering. The replaceable battery lasts 100 hours on average, and emits a warning signal when its charge is running out. The kit includes the wireless receiver, inductive neckloop, six spare batteries and five spare earguards.
Users have the flexibility to connect this earpiece to any of the 2 or 3-wire surveillance kits or use this earpiece wirelessly with theOperations Critical or Mission Critical Wireless Bluetooth Kits.