Tap the Message+ icon .
If not available, navigate: Apps > Message+.
Tap the New message icon (located at the bottom).
From the To field, enter a 10-digit mobile number.
As the number is entered, a matching contact may appear and can be selected at any time.
Alternately, tap the contacts icon (located on the right-side of the To field), select a contact, select the appropriate mobile number then tap OK.
Repeat this step as necessary to add additional recipients.
If prompted, select an option:
Allows recipients to reply to all who receive the message.
Doesn't allow recipients to reply to all who receive the message.
From the Type a Message box, enter a message.
From the attachment section located to the right of the message box, tap the Record icon.
Icons may appear different between Android and Windows devices.
Tap and hold the Microphone icon to start recording a message.
Release the Microphone icon to stop recording and send the message.
Swipe to the left before releasing to discard the recording.
The message is automatically sent when the recording is stopped.
For additional info on Verizon Messages (Message+), check out these FAQs.