EEG sensors
14 channels: AF3, F7, F3, FC5, T7, P7, O1, O2, P8, T8, FC6, F4, F8, AF4
2 references: CMS/DRL references at P3/P4; left/right mastoid process alternative
Sensor material: Saline soaked felt pads
Connectivity
Wireless: Bluetooth Low Energy
Proprietary USB receiver: 2.4GHz band
USB: to change headset settings
EEG signals
Sampling method: Sequential sampling, single ADC
Sampling rate: 2048 internal downsampled to 128 SPS or 256 SPS (user configured)
Resolution: 14 bits with 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor discarded), or 16 bits (user configured)
Bandwidth: 0.16 – 43Hz, digital notch filters at 50Hz and 60Hz
Filtering: Built in digital 5th order Sinc filter
Dynamic range (input referred): 8400 μV(pp)
Coupling mode: AC coupled
Motion sensors
IMU part: ICM-20948
Quaternions: normalized, 4D
Accelerometer: 3-axis +/-4g
Magnetometer: 3-axis +/-4900uT
Sampling rate: 0 / 32 / 64 Hz (user configured)
Resolution: 16 bits
Supported platforms
Windows: 10 (64-bit) v1607+; 8GB RAM; 500MB available disk space
MAC: OSX 10.12 or above; 8GB RAM; 500MB available disk space
iOS: 9 or above; iPhone 5+, iPod Touch 6, iPad 3+, iPad mini
Android: 4.43+ (excluding 5.0); device with Bluetooth Low Energy
Power
Battery: Internal Lithium Polymer battery 640mAh
Battery life: up to 12 hours using USB receiver, up to 6 hours using Bluetooth Low Energy
Available detections**
Mental commands: neutral + up to 4 pretrained items per training profile
Performance metrics: Excitement, Engagement, Relaxation, Interest, Stress, Focus
Facial Expressions: Blink, Wink L/R, Surprise, Frown, Smile, Clench, Laugh, Smirk L/R
** access subject to license. Raw EEG also available
Weight
170g
Dimensions
9 x 15 x 15 cm