This is a stethoscope. It's a reliable, general-purpose medical device. Weight: Approximately 78g Length: Approximately 770mm Materials: Chest piece/Aluminum, Diaphragm/Epoxy glass resin, Y-tube/Vinyl chloride, Eartubes/Brass, Earpieces/PVC resin ☆Made in Japan☆ 【General Medical Device】 Medical Device Notification Number: 12B3X0003900003 Suitable for various measurements, doctor role-play, playing house, talking to babies, cosplay, pets, nursing supplies, construction supplies, and more. Of course, you can buy it immediately. ★Recently, we've received many inquiries asking if this product can reliably detect only the fetal heartbeat. We will answer. ● We were able to verify the heartbeat of a fetus around the 9th month of pregnancy. <About Shipping Date> Basically, purchases and payments completed by 8 PM on the same day will be shipped the same night. Purchases and payments completed between midnight and morning will be shipped the following night. Purchases and payments completed by 8 AM on Saturday will be shipped on Saturday. Purchases and payments completed between 8 AM Saturday and 10 PM Sunday will be shipped on Sunday night. Rakuraku Mercari Delivery Simple packaging, recycled packaging Shipped anonymously. We do not offer discounts on single items. We will ignore your desired price. For purchases of 2-4 items, the shipping cost will be higher. We will consider shipping costs only for bulk purchases of 5 or more items.