Yealink YHA-FEC34 Foamy Ear Cushion for UH34/YHS34 (1 PCS) The Yealink YHA-FEC34 is a brand new, foamy ear cushion designed specifically for Yealink UH34 and YHS34 headsets. Made of high-quality foam material, this ear cushion ensures optimal comfort and superior sound quality. It comes in a sleek black color, perfectly complementing your headset. With its easy installation, you can quickly replace your old ear cushion and enjoy a whole new level of comfort.