Features:
1. Voice Recognition: 10 Words + Secret Words. Have a lot of goodies!
2. Speaking Sensor: Reacts to your voice and ambient sound.
3. Sensor: When you put your head on, it will react to you.
4. Handle Sensors: When you squeeze the hose, it will respond.
5 Posture Sensor: Recognize if your body is up or sleeping.
6. Sleep Sensor: When you put it on, you can react and sleep on.
7 Calendar: With a calendar function, you can tell a memento or the seasons quote Sleep and wake up at the time you set it.
(From Amazon.co.jp)