Phone calls, Other functions, Receive a phone call power key – Yamaha YH-E700B Wireless Noise-Cancelling Over-Ear Bluetooth Headphones (Black) User Manual
Page 48: Turn the volume up + (plus) key (during a call), Turn the volume down − (minus) key (during a call), Start pairing, Appendix > list of operations
Phone calls, Other functions, Receive a phone call power key | Turn the volume up + (plus) key (during a call), Turn the volume down − (minus) key (during a call), Start pairing, Appendix > list of operations | Yamaha YH-E700B Wireless Noise-Cancelling Over-Ear Bluetooth Headphones (Black) User Manual | Page 48 / 55