* Reduce snoring frequency and volume without disturbing
  normal sleeping                                          
* Auto power-off after 8 hours                                        
* Specifications:                                                        
 * Output intensity: 180μA                                          
 * Main output form: 0.2 HZ fixed                                          
 * The output waveform: fixed number of square wave output                            * Service Time: 8 hours (automatic off)                                    
 * power supply: 1.5AAA batteries (four section of battery)                            * Operating enviroment: 10℃~+40℃   30~85%RH     Preserve enviroment:  -20℃~+50℃    10~95%RH      
 * Transmission enviroment:  -10℃~+50℃  30~85%RH