25 lbs Hamilton Electronics PRM100R Primo Stereo Headphones - Red. FeaturesChew and kink-resistantWashable Leatherette Ear CushionsSpecificationsColor: RedHeadband: ABS plasticSpeaker Drivers: 30 mmImpedance: 32 ohmWeight: 1.Noise-reducing earcups allow students to clearly hear their lessons, and protect from unnecessary and distracting ambient noise as well.