Mini Mushrooms Bluetooth Vibro Speaker

Supply voltage:3.3V/4.3V/5.0V
Supply current:50mA  
Audio Format:SBC    
Operation temperature:10~+60degree
RF Requency:2400~2483MHz
RF Channels:79channels
Bluetooth SPC.:1.2V      
Output power class ;class 2  
TX Power :odBM/+4dBM  
RX sensitivity :80dBM
Input level:1.0Vrms          
Input impedance:10K ohm  
output level:1.0Vrms        
output impedance:10Kohm
Frequency response:20Hz~20KHz(-3dB)
Latency:200ms cofigurable  
Sampling accracy   44.1KHz.16bit    
S/N ratio  70dB            
THD :<0.1%@1KHz    Dynamic range:85dB  
Channel separation:65dB