Ring

Accurate and comfortable GSR and BVP monitoring.

Ring is an ultralight wearable device for real-time monitoring of electrodermal activity (EDA/GSR) and cardiovascular signals (BVP). It includes a 3-axis accelerometer to estimate motion artifacts and ensure high signal quality, even during dynamic conditions.

What is included

What is included

Ring Device
8GB Class-10 MicroSD card with SD adaptor
USB type A – micro USB B cable

Sensors

Integrated sensors for accurate GSR and BVP measurement. Includes a 3-axis accelerometer (ACC) to reduce motion artifacts. Wireless, compact, and ultralight amplifier. Bluetooth data transmission and microSD card backup storage. Amplificatore wireless, compatto e ultraleggero. Trasmissione dati Bluetooth e archiviazione di backup su scheda microSD.

Technical specifications

Hardware

Sensors

Biosignal channels

1x EDA (µS), 1x BVP (bpm), 1x ACC (3-axis)

Wireless Amplifier

Sampling rate/resolution	32 SPS at 16 bits
Resolution	16 bits
Bandwidth	DC-16Hz (2nd-order LPF)
Integrated sensors	Integrated Accelerometer (3 axis)
Input range and noise	1x EDA (0.1-100 µS), 1x BVP (0x250 bpm), 1x ACC (±4 G)
Indicators	On/off & connection LED, battery status LED, microSD card status LED
Weight	60 g

Data Streaming and Storage

Data transmission and range	Bluetooth Low Energy 5.0 2,4 GHz + EDR with 10 meters in direct sight
Data files	CSV, EDF
Data backup	Internal SD card (16 GB)

Power

Battery	Rechargeable LiPo battery; charging time < 3 h
Autonomy	> 9 h
Nominal / Rated Voltage	3.7 V
Nominal / Rated Power	360 mW
Battery Life Span	500 cycles > 80%
Charging	USB type C

General

Hardware version of the amplifier	V13
Firmware	Upgradable via web
Working Temperature	0 ºC ~ +25 ºC
Warranty	2 years (amplifier)
Certifications	CE (Directive 2014/53) and FCC (part 15)

Software

Bitbrain Core Research Software (included with equipment)

SennsLite	Real-time visualization, data recording, and synchronization across all Bitbrain devices. Compatible with LabStreamingLayer (LSL) for third-party real-time I/O (BCI2000, OpenVibe, NeuroPype, Medusa). Data export in CSV and EDF, compatible with common analysis softwares: Python (MNE, etc), Matlab (EEGLAB, FieldTrip, BCILAB,etc), and more.
C SDK	SDK in C for maximum performance and portability enabling Python integration. Compatible with Windows OS and Linux (x86).

Bitbrain Extended Research Tools (licensed)

SennsLab	Synchronization software for experimental design and data collection, supporting 35+ seamlessly synchronized sensor modalities including EEG, eye-tracking, and other biosignals. Compatible with third-party softwares via TCP/IP protocol. Data export in CSV.
SennsMetrics	Data analysis tool for emotional, cognitive, and behavioral metrics. Data are recorded with SennsLab, processed via SennsCloud, and analyzed and visualized in SennsMetrics.