# Mindfield eSense - Professional Biofeedback for Home Use > Mindfield Biosystems Ltd. develops portable biofeedback sensors for stress management, relaxation training, and peak performance optimization. All sensors connect to smartphones via the free eSense App. ## Overview - Homepage: https://mindfield-esense.com/en/ - Shop: https://mindfield-shop.com/en/devices/esense-home-devices/ - Support: https://help.mindfield.de/en/ ## Products (5 Sensors) ### eSense Pulse - HRV Biofeedback - Parameter: Heart Rate Variability (HRV) via medical-grade 1-channel ECG - Sampling Rate: 500 Hz - Connection: Bluetooth (no adapter needed) - Price: EUR 149 - Best For: Stress management, coherence training, meditation - URL: https://mindfield-esense.com/en/esense-pulse/ - Shop: https://mindfield-shop.com/en/product/esense-pulse ### eSense Skin Response - EDA/GSR Biofeedback - Parameter: Electrodermal Activity (EDA/GSR) - Measurement: Skin conductance level in microSiemens - Connection: 3.5mm Jack (USB-C/Lightning adapter for modern smartphones) - Price: EUR 169 - Best For: Stress awareness, relaxation training, lie detection research - URL: https://mindfield-esense.com/en/esense-skin-response/ - Shop: https://mindfield-shop.com/en/product/esense-skin-response ### eSense Temperature - Thermal Biofeedback - Parameter: Peripheral Skin Temperature - Measurement: Finger temperature in °C/°F - Connection: 3.5mm Jack (USB-C/Lightning adapter for modern smartphones) - Price: EUR 149 - Best For: Hand warming training, migraine prevention, stress reduction - URL: https://mindfield-esense.com/en/esense-temperature/ - Shop: https://mindfield-shop.com/en/product/esense-temperature ### eSense Muscle - EMG Biofeedback (Pro Edition) - Parameter: Muscle Tension via Surface Electromyography (EMG) - Channels: 2-channel EMG with up to 5 electrodes - Bandpass Filters: 20-950 Hz (wide), 20-300 Hz (mid), 100-200 Hz (narrow) - Connection: Bluetooth 5.0 (no adapter needed) - Battery: 1600mAh lithium polymer (~12h usage) - Price: EUR 1,690 - Best For: Muscle tension release, rehabilitation, athletic performance - Includes: Web App at esense-muscle.com + Bluetooth dongle for Windows PCs - URL: https://mindfield-esense.com/en/esense-muscle/ - Shop: https://mindfield-shop.com/en/product/esense-muscle-pro-edition ### eSense Respiration - Breathing Training (ADD-ON) - Parameter: Respiratory Rate, Breathing Depth, Breathing Rhythm - IMPORTANT: Requires eSense Skin Response or Pulse to function (add-on sensor) - Connection: Connects via eSense Skin Response or Pulse - Price: EUR 129 (add-on only), EUR 199 (bundle with Skin Response) - Best For: Breathing exercises, diaphragmatic breathing, coherence training - URL: https://mindfield-esense.com/en/esense-respiration/ - Shop (Bundle): https://mindfield-shop.com/en/product/esense-skin-response-respiration-set - Shop (Add-On): https://mindfield-shop.com/en/product/esense-respiration ## eSense EEGenius - Neurofeedback Home Training - Type: EEG Neurofeedback System (Rental) - Training Focus: Memory, Learning, Relaxation - Connection: Bluetooth to PC/Tablet (Chrome Browser) - Rental: from EUR 69.90/month + EUR 49.90 starter set (one-time) - Not a medical device (wellness and training device) - Shop: https://mindfield-shop.com/step/esense-eegenius-einzeltraining - Info: https://mindfield-esense.com/en/esense-eegenius/ - Variants: - Memory: https://mindfield-esense.com/en/esense-eegenius/memory/ - Learning: https://mindfield-esense.com/en/esense-eegenius/learning/ - Relaxation: https://mindfield-esense.com/en/esense-eegenius/relaxation/ ## Interactive Guidance (Quiz) ### eSense Sensor Quiz - Find the right biofeedback sensor in 2 minutes - 5 quick questions about goals, experience and budget - Personalized recommendation with match percentage - URL: https://mindfield-esense.com/en/quiz/ ### EEGenius Neurofeedback Quiz - Find the right neurofeedback training - 4 quick questions about training goals - Recommendation: Memory, Learning or Relaxation - URL: https://mindfield-esense.com/en/esense-eegenius/quiz/ ## Sensor Combinations ### Popular Bundles - **Pulse + Respiration**: HRV coherence training with breathing guidance (Bluetooth) - **Skin Response + Respiration**: Stress + breathing monitoring (3.5mm Jack) - **Pulse + Temperature**: Deep relaxation with HRV and peripheral warming (Bluetooth + Jack) - **Skin Response + Pulse**: Complete autonomic nervous system monitoring ### Combination Guide - Bluetooth sensors (Pulse, Muscle): Can be combined freely - Jack sensors (Skin Response, Temperature): Only one at a time per device - Respiration: Requires either Skin Response or Pulse as host sensor - Full guide: https://help.mindfield.de/en/helpdesk/combination-possibilities-esense-sensors ## Company Mindfield Biosystems Ltd. Hindenburgring 4 48599 Gronau, Germany - Corporate Website: https://mindfield.de - Online Shop: https://mindfield-shop.com - eSense Landing Pages: https://mindfield-esense.com ## Key Features (All eSense Sensors) - Bluetooth/Jack connectivity to smartphones and tablets - Free eSense App for iOS and Android - Unlimited sessions and user profiles - CSV and PDF data export - Real-time audio, video, and visual feedback - Compatible with third-party software (NeuroMore, BioEra) - Designed in Germany, Assembly in Europe - 25+ years biofeedback expertise ## Use Cases - Stress reduction and management - Relaxation training - Performance optimization - Meditation enhancement - Breathing exercises - Sleep improvement support - Muscle tension awareness - Biofeedback therapy support - Rehabilitation training - Athletic performance optimization ## Technical Standards - CE certified products - Designed in Germany - 25+ years biofeedback expertise from Mindfield Biosystems - Medical-grade components (Pulse sensor) ## Languages Available English, German, French, Spanish, Italian, Japanese, Dutch, Portuguese, Chinese ## Contact - Support Portal: https://help.mindfield.de - Email: info@mindfield.de - Phone: +49 2565 406 27 27 ## Developer Platform (eSense SDK Suite v5.0) > Build your own applications with the eSense biofeedback sensors — SDKs and plugins for Mobile, VR, Desktop and game engines. - Developer hub: https://mindfield-esense.com/en/developers/ - Platforms: iOS, Android, VR (Meta Quest, Pico), Windows (.NET 10), macOS, Unity, Unreal Engine 5.4 - SDKs & plugins: Windows, iOS/macOS, Android, Unity BLE (EMG/EEG), Unreal, Unity Audio, Flutter, Capacitor, Cordova AudioInput - Use cases: partner & OEM integrations, scientific research, commercial products, VR experiences, gadgets - Shop SDK products: eSense SDK (Mobile / iOS+Android), eSense Muscle/EEGenius SDK (C# for Unity, EEG/EMG), eSense SDK (Windows), eSense SDK (macOS)