Plantronics Cordless Headset Phone – $79.99 with Free Shipping.  This is a manufacture-refurbished unit that originally sold for $149.99.  

Features:
Superior call clarity: DECT 6.0 technology offers up to 300 ft. range and won’t interfere with wireless networks or home appliances
Talk up a storm: Up to 10 hours battery life/talk time; up to 8 days standby
Hands-free convenience. Ultra-compact take with you dial pad features an integrated belt/clothing clip
Convertible wearing style: Noise-canceling headset can be worn over-the-head or over-the-ear
Popular phone features: Caller ID/Call Waiting and one-touch voicemail access, mute, volume and redial functions