ITC DEVIANT HEARING AMPLIFIER: From the leader in hearing protection and amplification, this pair of ITC hearing amplifiers are designed for those who need a powerful, discreet hearing amplifier. Precisely small and light: Our hearing amplifier is extremely small and light, making it one of the smallest devices available. ADVANCED TECHNOLOGY: It is designed by our most experienced audiologist considering all responsible requirements of an individual for best results. Highly advanced mini microprocessor technology makes this pair a superior hearing amplifier. HIGH QUALITY SOUND MODIFICATION: Digital volume control allows user to comfortably change volume and tone for optimal hearing. DURABLE AND LONG BATTERY LIFE: Top quality materials have been used to construct both the external casing and the internal components of the units. These are designed to consume very little power to maximize battery life and reduce expense.