The Versus is a unique consumer EEG headset designed for athletic peak-performance neurofeedback training. It has integrated headphones for audio feedback.
The versus costs $399.95 and has five dry electrodes at 10–20 locations CZ, C3, C4, FZ, and PZ, with one ear-clip reference electrode. It transmits data over Bluetooth Low-energy 4.0.
Versus was recently the topic of some discussion and reports on NeuroBB.