How do I turn the P100 on? July 03, 2024 08:00 Updated Your P100 can be turned on by sliding up the Power & Pairing switch on the left headphone. Related articles How do I turn the P100 off? P100 pairing guide Cambridgeaudio.com money-back risk-free returns Do the P100 headphones allow ANC when using a wired connection? How does the P100 transparency mode work?