A compact device for voice exercises, with clear instructions for use. - Product Name: UTAET mini - Purpose: Voice exercise - Size: Approximately 7.0 x 7.5 x 10.2cm - Accessories: Accessory set - How to use: Instructions for Step 1 and Step 2 are included UTAET mini (Utaet Mini) UTAET Proidea's popular vocal training item "Utaet" is now available in a mini size! You can carry it with you anytime and anywhere to easily practice vocalization and abdominal breathing exercises. "Utaet mini" is very compact, but it features: - A soundproofing function with a measured sound pressure ratio of 70% or more - A real voice function that allows you to hear your own voice - A breath limit function that restricts breathing to train vocalization Although it is used, it has been disinfected with alcohol, so you can use it with confidence.