Sennheiser Black PMX95 3.5mm Connector Behind-the-Neck Headphones for $29.99 shipped after coupon code EXLWPHC23. Here is a screenshot for your reference. The PMX 95 features an ergonomic neckband for comfort and fit. The single-sided anti-friction cable allows the wearer more freedom of movement while on the go, and the soft. Most places have it for about $54.