Hello how may I help you? I want to change me ten thirty alarm to eleven thirty Okay, I can do that for you. Would you like to have this alarm set to vibrate? Yes set it to vibrate Okay. All done! Would you also like it to play a sound while it vibrates? No thanks All right, no problem. Just to confirm, I have an alarm set for 11:30 and it will vibrate only. Is that right? Yes. Have the alarm go off tomorrow All right, no problem. Your alarm will vibrate tomorrow. Thanks for your help You are welcome.