* Bluetooths version:5.0
* Frequency response :20Hz-20KHz
* Speaker parameter :4Ω 5W*2
* Signal to Noise Ratio:80 db
* Battery capacity:5200MAH
* Music playing time:7-8 Hours
* Charging time: 3-4 Hours
* Frequency response :20Hz-20KHz
* Speaker parameter :4Ω 5W*2
* Signal to Noise Ratio:80 db
* Battery capacity:5200MAH
* Music playing time:7-8 Hours
* Charging time: 3-4 Hours