1.MP3 SPEAKER                                                                                                                                          
Audio Input:3.5 earphone Jack                                                                                                               
Power:  3W                                                                                                                                  
Frequency Range: 200-20000HZ                                                                                                      
Sensitivity: 90ab±3                                                                                                                
Impedance:   4Ω                                                                                                          
Support: All Bluetooth device     
                                                                                                                
2.POWER BANK                                                                                                                                       
Capacity:4000mah Li-polymer battery                                                                                                                    
Input:   DC/5V/800mAh                                                                                                                  
Output: DC/5V/1000mAh 5V                                                                                                              
Charging time: 3 hours                                                                                                                     
Power Indicator: LED     
                                                                                                                       
3.Bluetooth FREE CALL                                                                                                                        
Bluetooth Version: 3.0+edr                                                                                                                           
Voice Language:  English                                                                                                                    
Device Name: YM-A8                                                                                                                           
Pin Code:  0000                                                                                                                         
Standby Current: ＜1mA                                                                                                                  
Working Current:  80 mA                                                                                                                                 
Frequency:  2.4-2.48GHZ                                                                                                                 
Noise Ratio: ＞90dB                                                                                                                   
Working Distance:＞10m  
                                                                                                                      
4.phone holder               
                                                                                                        
5.connect 2 mobile phones