Operation and Troubleshooting Guide In-Progress
=OptoAcoustic Active Noise Cancellation Headphones+
Setup
1. Turn on power (top-right button on the back of the unit) and the display should appear 2.
=OptoAcoustic Active Noise Cancellation Headphones+
1. Turn on power (top-right button on the back of the unit) and the display should appear 2.