![flex saline](http://www.emotiv.com/cdn/shop/files/Store_Flex-Saline_1_20x_crop_center.jpg?v=1711425058)
![flex saline travel case](http://www.emotiv.com/cdn/shop/files/Store_Flex-Saline_2_20x_crop_center.jpg?v=1711425062)
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![flex saline control box](http://www.emotiv.com/cdn/shop/files/Store_Flex-Saline_4_20x_crop_center.jpg?v=1715777881)
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FLEX 2 Saline - 32 Channel Wireless EEG Head Cap System
The FLEX Saline 32-Channel Wireless EEG Head Cap System offers advanced brain activity measurements with moveable sensors, various cap sizes, and innovative saline-based electrodes for easy rehydration and minimal interruptions. The Flex Controller transmits data wirelessly with millisecond accuracy, providing precise auditory and visual ERPs, making it an essential tool for modern neuroscience and opening up new research possibilities.
![flex 2 upgrade chip illustration](http://www.emotiv.com/cdn/shop/files/Flex-2_Upgrade-Chip-Image_20x19_crop_center.png?v=1701311669)
Re-Engineered for Advanced Precision & Usability
FLEX features the latest Bluetooth(R) 5.2 chip and advanced antenna design, transmitting contextual EEG data with greater precision.
256 SPS Per Channel
Higher temporal resolution & enhanced signal fidelity.
Up to 64Hz Motion Sensor Data
Transmit full-resolution motion data.
16-bit Channel Data
Uncompressed, granular data.
No Slew Rate Limits
Time-locked EEG, ECG, EMG & EOG signals.
Advanced Antenna
Provides a stable connection & extended research capabilities.
Power LED
Easily identify FLEX’s battery life.
USB-C Charging Port & Power Cable
For faster charging.
SOFTWARE LICENSING AND COMPATIBILITY
Every purchase includes the EMOTIV Pro Lite software.
Investigate all available upgrade possibilities.
![flex 32 channels](http://www.emotiv.com/cdn/shop/files/Flex-2_Feature-32-channels.png?v=1701311905)
32-Channel EEG For Whole-Brain Sensing
![](http://www.emotiv.com/cdn/shop/files/Group_427319410_f292258c-a403-4b6a-bfc6-4fefa85392f7.png?v=1697512684)
Flexible Sensor Placement
on the 10-20 System
Optimal placement for capturing granular EEG data.
![](http://www.emotiv.com/cdn/shop/files/Group_427319628_19dcadb0-feb7-42bb-a27f-d2d810b91131.png?v=1701242834)
Refillable Research-Grade
Saline Sensors
Maintain consistent sensor conductivity without
interrupting your studies.
Battery Status
Initial 10-second battery status display.
Up to 6 hours of battery life.
![flex two cap sizes](http://www.emotiv.com/cdn/shop/files/Flex-2_Feature_Cap-Size.png?v=1700210315)
Variety of Flex Cap Sizes
Choice of 54 cm, 56cm, or 58cm cap sizes for comfort & conformity.
![EPOC X feature](http://www.emotiv.com/cdn/shop/files/Epoc-X_Feature-2.png?v=1695807600)
Bluetooth 5.2
Enhanced real-time data transmission.
![flex travel case open](http://www.emotiv.com/cdn/shop/files/Flex-2-Saline_Thumbnail_3162200e-d5f0-440f-b5f6-9f91039c1b55_20x15_crop_center.jpg?v=1700564091)
Smart Storage
The included travel case is the smart solution for storing and transporting your FLEX. Made from durable EVA foam, the case provides protection and organization for FLEX and its accessories. A dedicated compartment for your Flex Cap allows airflow keeping it in optimal condition.
![flex setup guide plug in sensors to control box](http://www.emotiv.com/cdn/shop/files/Flex-Cap_Hand-Plugin_2_45580de5-619a-4662-ac81-1c57c0eed878_20x15_crop_center.png?v=1700564097)
Flex Your Research Capabilities
Unlike traditional EEG head cap systems that keep participants tethered in a lab, Flex’s wireless controller allows you to conduct contextual brain research.
High-Density Brain Monitoring in a Wireless EEG Device
Research-Grade EEG Sensors
32 saline silver-silver chloride sensors.
9-Axis Motion Sensor
Accurately detects head movements.
Connects Seamlessly with PRO
128Hz and 256Hz EEG data transmission in a wireless device.
Optimal Spatial Resolution
Flex Cap’s 74 openings allow you to pinpoint a subject’s brain activity with greater accuracy.
Common-Mode Noise Rejection
Captures high-quality, reproducible data.
Flexible Controller Positioning
Position the FLEX controller at the top or rear of the head for optimal comfort.
DIY EEG
EMOTIV technology is scientifically validated, yet easy to use.
How to Build a BCI Project with EMOTIV EEG Headsets
A comprehensive breakdown for BCI beginners.
Support
EEG sensors
Up to 32 channels: configurable
2 references: CMS/DRL configurable in any 10-20 location or on ears (compatible ear clips for sensors included)
Available data: raw EEG and frequency band data. Requires PRO License for use.
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EEG signals
Sampling method: Sequential sampling, dual ADCs
Sampling rate: 2048 Hz internal downsampled to 256SPS.
Motion Resolution: 16 bits 1 LSB = 0.51μV
Bandwidth: 0.16 – 43Hz, digital notch filters at 50Hz and 60Hz
Dynamic range (input referred): 8400 μV(pp)
Coupling mode: AC coupled
No slew rate limits: Time-locked EEG, ECG, EMG & EOG signals
EEG sensors
Electrode count: 32 recording electrodes, 2 reference electrodes
Sensor material: 80 Felts Standard Length, 20 Felts Long Length
Size: 11mm diameter felt pad, 2mm rear refill opening
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Motion sensors*
IMU part: ICM-20948
Quaternions: normalized, 4D
Accelerometer: 3-axis +/-8g
Magnetometer: 3-axis +/112 gauss
Transmit full resolution motion data: Up to 64Hz motion sensor data
*Software support for motion data coming soon.
Cap
Available sizes: 54 cm, 56 cm, 58 cm
Variety of Flex Cap Sizes: Comfort & conformity for optimal EEG data
Openings: 74 in the standard 10-20 positions
Pockets for control box: At approximately Iz (for awake studies) and Cz (for sleep studies)
Manufacturer: EasyCap
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Connectivity
Proprietary USB receiver (included): 2.4GHz band
USB 2.0+ (only available with EMOTIV Extender)
Micro USB-C port & power cable (included): for faster charging
Bluetooth 5.2: Enhanced real-time data transmission
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Power
Battery: Internal Lithium Polymer battery 595mAh
Battery life: up to 6 hours
Power LED: Easily identify Flex Controller’s battery life
Notice: Not supported on Ubuntu & Raspberry Pi
A validation of Emotiv EPOC Flex saline for EEG and ERP research
The saline version of the Emotiv EPOC Flex was found to capture data similar to that of a research-grade EEG system, measure reliable auditory and visual research-quality ERPs, and index SSVEP signatures while being sensitive to changes in alpha oscillations.
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Flex Travel Case
Flex Headset
Flex Controller
USB-C Charging Cable
Cables – Extension lead
Bluetooth Dongle
USB-A to C adaptor
Two sensors types
Quick Start Guide
50x Pins
1x Tool
2x Wire wrap
80x Felts Standard Length
20x Felts Long Length
34x Sensor Silicon Skirt
*Disclaimer – EMOTIV products are intended to be used for research applications and personal use only. Our products are not sold as Medical Devices as defined in EU directive 93/42/EEC. Our products are not designed or intended to be used for diagnosis or treatment of disease.
![tablet emotivpro interface](http://www.emotiv.com/cdn/shop/files/Tablet-EmotivPRO_20x18_crop_center.png?v=1695630051)
Your Powerful Brainwave Monitoring Partner
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