Related Clues:
- Item in a wedding
- Reminiscent trace
- Radar blip
- Repeated sound
- Narcissus admirer
- Pugilists' arena
- Canyon call
- Sound rebounded
- Many check for it by saying ''Hello!''
- Bounced-back sound
- Finger jewelry
- Match point?
- Greek nymph who pined away for Narcissus
- You may test for it by saying ''Hello!''
- Microphone problem