01-07-2014, 03:18 AM
Shannon , regarding Ultrasonic , is it 100% not recommended listening with headphones?
Since Ultrasonic are silent , I can listen to it while I go to sleep,set a timer for the player to stop playing and continue sleeping.
Is it fine even playing it when you sleep?
Since Ultrasonic are silent , I can listen to it while I go to sleep,set a timer for the player to stop playing and continue sleeping.
Is it fine even playing it when you sleep?
