... 2) 3.7V(500mA/h) 3) FM function 4) Play Music connect other Equipment Portable car mini speaker, outdoor speaker factory ... 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 compact, anytime, anywhere to enjoy music5.FM function, Creative antenna, more powerful! The main technical ...