About this item COMPATIBLE WITH: PRO 920 930 935 9450 9460 9465 9470 / UC VOICE 550 Headset LUXURY UPGRADED EAR PADS: Durable and long-lasting, quality-made ear pads. ENHANCED SOUND: Comfortably designed headphones for greater comfort and sound quality. MEMORY FOAM: Made of firmer memory foam for blocking noise, allowing you to enjoy your headsets. PROTEIN LEATHER: Made of durable and professional-grade protein leather for long-term use, the replacement ear pads have a smooth surface and comfortable touch. Size: 4.06 x 2.48 x 0.79 inches