phone headset telephone headset 2.5mm headset with microphone cordless phone headset telephone headsets for office phones headset for phones landline office deskphone headset business headset headset for cordless phone wired headset 2.5mm call center headset WIDE COMPATIBILITY: 【NOT for Cell Phones and Computers】 This office phone headset is compatible with Panasonic AT&T RCA Uniden Grandstream Clarity Zultys Gigaset Cortelco landline phones and most Cordless phones with standard 2.5MM headset jack. SUPER DURABLE: Lightweight headset, ergonomic design, quality plastics, uni-body headband construction. Professional Mic Mute / Volume Control built in. 5.3ft long telephone headset's Tangle Free cord offers flexibility to move around. Ideal for Call Center, Conference Calls, Telemarketing, Business, Office and Home. ALL-DAY COMFORT: Super comfortable cordless phone headset for Panasonic with ultra lightweight fit and adjustable headband to fit all head sizes, high quality and soft memory leatherette ear cushion enhance all-day wearing comfort. CLEAR CALLS: Wideband sound 2.5mm telephone headset enables a clear listening experience, built in high quality noise cancelling microphone to reduce background noise. Less noise, Clearer voice. 2-YEAR WARRANTY: 45 days Free Replacemen or money-back & 24 months warranty. ONLY works for phones with standard 2.5MM headset jack, NOT for Smartphones and Computers. For other phones, pls contact us for compatibility advice.