Secondhand Nexus 10 Neurofeedback-Biofeedback Device

Objective AI Report

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Report date: 07.08.2025

Mindmedia NeXus-10 MKII and Devon iRelax DT-70S Device Set Analysis Report

Overview and Device Identification

The images show a collection presented in a single metal carrying case, consisting of two main product sets. The primary set is a Mindmedia NeXus-10 MKII biofeedback system intended for professional use. This set includes the main unit, various sensors, software, and accessories. The second product is a portable Devon Medical Products iRelax DT-70S device designed for personal stress management.

Brand and Model Information

Based on the visual evidence, the brands and models of the products have been clearly identified. The main system is a Mindmedia NeXus-10 MKII model, as indicated on the user manual, software CD, and sensor packaging. Additionally, there is a Devon Medical Products iRelax DT-70S personal stress management device, complete with its box and quality certificate.

Quantity and Set Contents

A complete list of the products and accessories shown in the images is provided below:

• Carrying Case: 1 aluminum-body carrying case with foam interior.
• Mindmedia NeXus-10 MKII System:
  • 1 NeXus-10 MKII main biofeedback unit (black).
  • 1 English user manual titled “NeXus-10 MKII User Manual”.
  • 1 spiral-bound technical manual titled “Manual Tecnico Nexus”.
  • 1 software CD named “BioTrace+ Software”.
  • Various sensors:
    • 2 EXG sensors (Type: NX-EXG2B).
    • 1 SC/GSR sensor (Type: NX-GSR2D).
    • 1 BVP/HR sensor (Type: NX-BVP1C).
    • 1 Temperature sensor (Type: NX-TMP1B).
    • 1 Ground cable (Type: NX-EXGII-REF).
    • 1 EL-2RT3 cable set.
    • 1 NX-MINICAP-S2-57 sensor cap set.
  • 1 GS18A12-P2L model power adapter.
• Devon iRelax Device:
  • 1 iRelax DT-70S personal stress management device (light blue).
  • 1 original cardboard box for iRelax DT-70S.
  • 1 quality certificate issued for iRelax.
  • 1 black carrying pouch and connection cable.
• Consumables:
  • 1 tube of Weaver Nuprep skin preparation gel (114 gr).
  • 1 pack of 3M Red Dot H124SG model electrodes.
  • An opened package with some blue ring-shaped adhesive electrodes.

General Status and Condition Assessment

The overall condition of the product set is very good. A significant portion of the sensors and cables for the NeXus system are in their original, unopened bags, which suggests they are new or have never been used. The iRelax device and the main NeXus unit appear clean and physically undamaged. The carrying case is orderly and well-maintained.

Physical and Mechanical Condition

No visible deformations such as scratches, dents, cracks, discoloration, or dirt have been detected on the device casings, cables, or accessories. All mechanical parts (case latch, cable connectors, etc.) appear solid and functional.

Accessories and Label Information

The set stands out with its rich content of accessories. All main sensors, cables, software, and the power adapter required for the use of the devices are present. Some important information read from the labels is as follows:

• iRelax Quality Certificate: Model: iRelax DT-70S, Date: 2016-01-20.
• 3M Electrode Pack: The LOT code on the package bears the date 2021-12-23. This indicates that the product lot’s expiration date has passed. REF Code: 31.1245.21.
• BVP Sensor Box: The REF code is specified as NX-BVP-SE-P.
• Other Sensors: The model of each sensor is indicated on its bag with a “Type” code (e.g., NX-GSR2D, NX-BVP1C).

Areas of Use and Authenticity

The Mindmedia NeXus-10 MKII is a professional system used for biofeedback, neurofeedback, and physiological data acquisition. It is designed to measure stress, attention, and various physiological parameters in fields such as clinical, research, and performance enhancement. The Devon iRelax DT-70S is a personal device that helps the user with relaxation and breathing exercises by measuring pulse and heart rate variability. The packaging, logos, labels, and overall workmanship of the products indicate that the components are original.

Potential Risk Assessment

Based on visual inspection, no serious wear, rust, crushing or damage to cables, or any other signs pointing to a potential risk of malfunction in the devices themselves have been observed. The overall condition of the products is very good. The only factor to consider is the expired lot date of the 3M H124SG electrode pack; while this does not pose a risk related to the devices themselves, this consumable may need to be replaced.