Table 4.

Characterization summary.

Parameter	Characterization
Number of channels	4
Sampling rate	250 Hz
Sampling resolution	16bit
Gain	Adjustable from 360 to 2720
Input-referred noise	<0.9480 µVrms
Common Mode Rejection Ratio (CMRR)	> 96 dB
Input Impedance	No bias network: ∼5 $\mathrm{G}\mathrm{\Omega }$
Bandwidth	0.5 Hz −45 Hz
Communication mode	BLE
Dimensions	45 mm x 30 mm x 12 mm
Weight	34 g (without battery)
Battery life	>4 h @ 250mAh 3.7 V lithium battery
VR Platform	Oculus Quest 2 or other VR platforms