The low frequency is very clear and deep, high frequency sound can reach 20KHz due to adopting high class materials and new technology.
The low frequency is very clear and deep, high frequency sound can reach 20KHz due to adopting high class materials and new technology.
电路采用高档材料;高技术设计而成。低频干净而有弹性；高音纤细；全频声音圆滑。