One-handed soundproof room + SHURE SM58 microphone set, up to -28dB sound insulation! Voicease, made in Japan, soundproofing, noise insulation, soundproofing, vocal training, vocal recording, karaoke

・Model number: VC-01・Weight: 565g ・External dimensions: Total length 390mm, diameter 135mm ・Small grommet: Outer diameter 52mm, inner diameter 32mm, thickness 19mm (main unit included) ・Large grommet: Outer diameter 56mm, inner diameter 36mm, thickness 19mm (included) ・Noise reduction level: Approximately minus 20dB to 28dB ・Warranty: 1 year Made in Japan