Headset Amplifier for cordless, desktop, and cellular phones with a 2.5mm headset jack

• The Plantronics MHA100 amplifies incoming sound up to 24db, up to 3 times louder
• Hooks between headset and 2.5mm phone jack
• Voice/sound activated to save battery power
• Belt clip included
• Very lightweight
• Works with most mobile and cordless phones with a standard 2.5mm jack, also works with Talkswitch or desktop phones with 2.5mm jack
• Adjustable volume and tone for clarity
• Ideal for mobile professionals who hold conversations in noisy environments
• The MHA100 uses 3 AC675 hearing aid batteries, included
• Retail: $59.95

You can also order additional batteries for the MHA100 by selecting the option above. Keep a supply on hand. Ordered by itself, typically ships via USPS priority mail.