Mini speaker 1) Paly songs from TF, Breakpoint memory 2) 3.7V(500mA/h) 3) FM function 4) Play Music connect other Equipment Portable car mini speaker, outdoor speaker factory outlet The main function1.Play the songs of TF card2.Built-in battery,3.7V(500mA/h),Rechargeable and use3.Can play music directly connecting computers, mobile phones, MP3, MP4, MP54.Shape of exquisite beauty, light and ...