Troubleshooting - Unable to turn the power on - Headphones/Earphones

Possible cause and solutions

Is the unit being charged? The power cannot be turned ON during charging.
RP-BTD10, RP-HTX90, RP-HD305 - Is the detachable cord connected? The power cannot be turned on when the detachable cord is connected to the unit.
RP-BTS55, RP-BTS30, RP-BTS50, RP-BTD5, RP-BTS10, RP-HF400B, RP-BTS35, RP-BTD10, RP-HJE120 - Make sure to press and hold the power button for approximately 3 seconds (or longer).
EAH-A800, RP-HTX90, RP-HD610 - The battery is low when the power/pairing LED is blinking in red. Charge the unit.
RP-HTX80 - In the power-off state, press and hold the power button for approx. 3 seconds until the LED (blue) blinks.
- A beep will sound, and the LED (blue) will blink slowly.
RP-HD610 - Is auto power off actuve?

This FAQ applies to models EAH-A800, RP-HTX80, RP-HTX90, RP-BTD10, RP-HD605, RP-HD305, RP-HD610, RP-BTS55, RP-BTS30, RP-BTS50, RP-BTD5, RP-BTS10, RP-HF400B, RP-BTS35, RP-HJE120, RB-M300, RB-M500, RB-M700