Bluetooth MP3 Speaker Bag double shoulder high-capacity QA-01 QA-02

 Bluetooth MP3 Speaker Bag double shoulder high-capacity QA-01  QA-02

 Speaker Specifications: D40mm 3Ω/5W*2

 Charge Voltage:5V,3.7V (Lithium battery)

 Power Output:2*5W

 SNR:Better than 88DB

 Degree Of Distortion:3W/CH(5V Power,4Ω load,10%THD)

 Efficiency:Better than 90%

 Channel Balance:Less than 1DB

 STEREO SEPARATION: More than 40DB

 120HZ-20KHZ   FREQUENCY RANGE:120HZ-20KHZ

 FM RECEIVING SENSITIVITY:LESS THAN 1DB

 FM S/N RATIO:BETTER THAN 60DB

 FM STEREO SEPARATION:MORE THAN 40DB

 FM STEREO LNDICATOR ON SENSITIVITY LEVEL:28DB