Discover loud and crystal clear communication with the Stone Mountain Elite CallCheckTM Speaker Mic. It’s rugged and waterproof design allows it to be used in the harshest, most demanding environments. The patented CallCheckTM message record, store and playback feature is ideal for high stress, mission critical situations.
* Battery life and speaker output level may vary depending on the connected mobile device, features being used, settings, signal strength, operating temperature, frequency band and other methods of use.
** Surveillance style earphone sold separately. All features, functionality and specifications are subject to change without notice.