Noise Filter (RJ-14 , Two Line)

Key Features: 9 times transmission improvement, 30 dB electromagnetic interference reduction, Compatible with 2-line corded phones, Usually ships in 1–2 business days

More Info 

Noise Filter (RJ-9 , Handset Jack)

Key Features: 9 times transmission improvement, 30 dB electromagnetic interference reduction, Usually ships in 1–2 business days

More Info 

Hello Direct Ultralight OP Single 2.5 mm Headset

Our lowest priced, over-the-head single-earphone headset!

Key Features: Professional quality at a low, low price, Noise-cancelling mic, Tru-Voice™ speaker, Click-stop headband

More Info 

Hello Direct Ultralight EX Single 2.5 mm Headset

Our lightest over-the-head single-earphone headset!

Key Features: Just 1.3 oz., Patented sound cone, Noise-cancelling mic for clear voice transmissions, Compatible with phones with 2.5 mm jacks

More Info