Leitner User Rating: Be the first one! AllFavoritePopularMost ratedExpired Added to wishlistRemoved from wishlist 0 Add to compare Headset Leitner LH240 Corded Office Telephone Headset Single-Ear – 5-Year Warranty. Universal Adapter works with any Headset Cords and Accessories Including, Plantronics, Jabra Best deal at: Amazon.com $129.95 Added to wishlistRemoved from wishlist 0 Add to compare Headset Leitner LH270 Single-Ear Wireless Telephone Headset for Office Phones Best deal at: Amazon.com $288.28