Functions for a phone call

The functions available during a call may vary depending on the profile supported by your smartphone or mobile phone. In addition, even if the profile is the same, the available functions may vary depending on the smartphone or mobile phone.

Depending on the connected device or the application you are using, the functions may not work properly even if you try to operate them with the headset.

Refer to the operating instructions supplied with the smartphone or mobile phone.

Supported profile: HFP (Hands-free Profile)

During standby/music playback

  • Hold your finger to the touch sensor on the right unit for about 2 seconds or more to start up the voice dial function of the smartphone/mobile phone, or activate the Google app on an Android smartphone or Siri on an iPhone.

Outgoing call

You can use either the left or right unit to perform the following operations.

When only one unit of the headset is worn in your ear, operate the unit that is worn.

  • Tap the touch sensor twice quickly (with an interval of about 0.3 seconds) to cancel an outgoing call.

You can perform the following operations on the headset unit to which the noise canceling function is not assigned (the right unit in the factory settings).

  • Hold your finger to the touch sensor for about 2 seconds or more to change the call device back and forth between the headset and the smartphone/mobile phone.

Incoming call

You can use either the left or right unit to perform the following operations.

When only one unit of the headset is worn in your ear, operate the unit that is worn.

  • Tap the touch sensor twice quickly (with an interval of about 0.3 seconds) to answer a call.
  • Hold your finger to the touch sensor for about 2 seconds or more to reject a call.

During call

You can use either the left or right unit to perform the following operations.

When only one unit of the headset is worn in your ear, operate the unit that is worn.

  • Tap the touch sensor twice quickly (with an interval of about 0.3 seconds) to finish a call.

You can perform the following operations on the headset unit to which the noise canceling function is not assigned (the right unit in the factory settings).

  • Hold your finger to the touch sensor for about 2 seconds or more to change the call device back and forth between the headset and the smartphone/mobile phone.

Supported profile: HSP (Headset Profile)

You can use either the left or right unit to perform the following operations.

When only one unit of the headset is worn in your ear, operate the unit that is worn.


Outgoing call

  • Tap the touch sensor twice quickly (with an interval of about 0.3 seconds) to cancel an outgoing call.

Incoming call

  • Tap the touch sensor twice quickly (with an interval of about 0.3 seconds) to answer a call.

During call

  • Tap the touch sensor twice quickly (with an interval of about 0.3 seconds) to finish a call.