Secondhand Bosch EST 40 Electronic Stethoscope

Objective AI Report

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Report date: 03.11.2025

Bosch EST 40 Electronic Stethoscope Analysis Report

Product Description and Contents

The visuals show one electronic stethoscope and its components, preserved in its original box. The product is a device that enables the electronic amplification and listening of sounds for medical diagnostic purposes. The materials in the visual consist of the device itself and its original packaging.

• Device Quantity: 1 Bosch EST 40 Electronic Stethoscope
• Box Quantity: 1 original product box

Brand and Model Identification

The brand and model of the product are clearly legible on its original cardboard box. The device’s brand is Bosch, and its model is stated as EST 40 Elektronisches Stethoskop. The device itself also features inscriptions and logos indicating the brand and model. This information is based on visual evidence and is conclusive.

Physical Condition and Deformation Analysis

The general condition of the stethoscope is assessed as very well preserved, despite being used. The device has a clean appearance and shows no signs of significant physical damage.

• Metal Components: The stainless steel tubes forming the earpiece parts of the stethoscope are shiny and clean. No rust, bending, or deep scratches have been observed on them.
• Plastic and Rubber Components: The black hoses leading to the earpieces and the eartips appear sturdy. No cracks, breaks, or discoloration are present.
• Electronic Body: The main black plastic body of the device, which acts as an amplifier, is clean and spotless. There is a metal clip on it, and its surface may show slight signs of use, but it is generally robust.

Technical and Electronic Evaluation

The device has a structure that converts and amplifies acoustic sounds into electronic signals. According to visual inspections, its electronic and mechanical components are intact as a whole.

• Control Unit: On the main black body, there is a switch or button mechanism used to turn the device on/off or adjust the volume level. This mechanism appears to be physically sound.
• Cabling and Sensor: A thin, grey-colored cable extending from the main unit and the white-colored listening sensor (diaphragm) at its end are visually in perfect condition. No crushing, breakage, or deformation has been detected on the cable. The socket connection also appears sturdy.
• Battery Compartment: It is understood that there is a battery compartment on the electronic unit where the battery, which provides the necessary power for operation, is placed. However, the visuals do not provide information regarding the presence or condition of the battery.

Box and Packaging Condition

The device is presented with its original cardboard box and the protective insert inside. The box, unlike the device, bears noticeable signs of aging and storage.

• Outer Box: The front and side surfaces of the box show stains, yellowing, and discoloration that have occurred over time. The edges and corners also exhibit wear and dents. This condition indicates that the box has been stored for a long period.
• Inner Tray: The cream-colored inner tray where the device is placed is custom-molded for the device and holds the product securely. This tray is cleaner and in better condition compared to the outer box.

Conclusion and Potential Risk Assessment

As a result of visual analyses, the Bosch EST 40 model electronic stethoscope itself is assessed to be very well preserved physically and to be in a condition of a lightly used product. There are no cracks, fissures, or serious deformations on the device that would affect its functionality. The presence of its original box has helped preserve the product’s integrity.

Since no visible significant wear or damage has been detected on the device, the potential risk of malfunction for its mechanical components appears low. However, given that it is an electronic device and considering its age, the functionality of its internal circuits cannot be guaranteed by visual inspection alone. It is not possible to make a definitive comment without testing whether the product operates electronically. Nevertheless, its current physical condition indicates that the device has been well-preserved.