Plantronics Mobile Headset Amplifier with 2.5mm Plug

Brand: Plantronics
Price: $27.99

• Clarity Power technology increases the volume of high frequency sounds, the kind of sounds many people can't hear clearly on the phone
• Hear every word up to 3 times louder
• Works with most mobile, cordless and cellular phones
• Voice/sound activated - turns on/off automatically
• Ideal for mobile professionals who hold conversations in noisy environments