QD Compatibility: This headset adapter is compatible with Plantronics quick disconnect headsets, such as H251, H251N, H261, H261N, HW291N, HW301N, HW710, HW720, and all H-series & all HW-series and same style QD like TruVoice/VoiceJoy/Wantek/Daily QD headset. NOT for Jabra GN, Yealink, MAIRDI, Sennheiser EPOS headsets.
Plug and Play: Simply plug RJ9 jack into the headset port on your landline phone and connect the QD headset adapter to the headset. The Quick Disconnect (QD) feature allows you to move away from your desk without removing the headset to maintain your call.
Built to Last: The coiled design reinforced with spring wire ensures durability while avoiding knots or tangles for a seamless experience. Approximately 68 inches (standard) and 80 inches (stretched), perfect for daily communication.
Warranty & Compatibility Notes: 30 days free replacement and 1 year warranty. Only compatible with some specific CISCO phone models listed in the description. NOT FOR CELL PHONES OR COMPUTERS.