It will wake you up with strong vibration. Very suitable for heavy sleeper, sleepy Kids, deaf people, Hard of Hearing. Many people are confused that why we still need a alarm clock. Actually, you need a 𝘃𝗶𝗯𝗿𝗮𝘁𝗶𝗻𝗴 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸, which is specially designed for heavy sleeper, sleepy Kids, deaf peopl e, Hard of Hearing.
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