LotFancy T400 Headset Headphones Ear Phone For Siemens / ROLM Optiset E Advance; Optiset Advance with Headset Adapter; Comfort 300E with Headset Adapter; Comfort F300E; Optipoint 410 Standard & Advance; Optipoint 420 Standard & Advance; Optipoint 500 Basic, Standard, Standard SL, & Advance& office; Optipoint 600, Optipoint 600 Office; OpenStage 40, 40TDM, 60, 60TDM, 80, 80TDM Phones; ROLM Phones with EHO option Module 612, 624 Telephones

Item Specifications: 1. CallTel T400 Polaris Monaural Over-The-Head Quality Headset . 2. Headband style with single earpiece for great sound in one ear . 3. Soft leatherette ear cushions for all day comfort . 4. Superior voice tube technology . 5. 8-feet cord with RJ-9 modular plug lets you walk away from the phone while still wearing your headset . 6. Polaris models are for phone systems with built-in amplifiers . 7. No Quick-Disconnect feature . Package: 1. 1 x Calltel Headset with phone cord . 2. 1 x User manual.