Yamaha YH-E700B Wireless Noise-Cancelling Over-Ear Bluetooth Headphones (Black) - Manual (Page 29)

Starting the voice assistant
If connecting this product to a Bluetooth device that supports the use of Siri, Google Assistant or similar
features, you can control the voice assistant with this product.
R
Power key
(
Start voice assistant
Press the power key twice.
(
Stop voice assistant
(
When using Siri
Press the power key twice.
(
When using Google Assistant
Operate using your Bluetooth device.
NOTE
The operations for the voice assistant feature will vary depending on your Bluetooth device. See the user’s manual of your Bluetooth
device for details.
29
Operation (Audio Playback and Phone Calls) > Starting the voice assistant