1. System functions: powerful ringing time setting, ringing volume, delayed ringing time setting, shaking mobile phone delay ringing function, vibrating alarm clock, etc. 2. Personalized alarm clock customization: a variety of custom alarm clocks such as wake up, birthday, memo and so on provides a perfect solution to personal life reminder solutions. 3. Intelligent voice alarm clock: add voice alarms at will, better personality. 4. Intelligent backup and restore: intelligently back up the alarm data to the mobile phone and restore the historical alarm clock record.