1000, hundredths-inches, 400, hundredths-inches, 1.5, pounds, 675, hundredths-inches

3M WorkTunes Connect + AM/FM Hearing Protector, Noise Reduction Rating (NRR) 24 dB, Wireless Bluetooth & Radio Ear Muffs With Integrated Microphone & High Fidelity Speakers (90541H1-DC-PS)