... . FM radio-autiomatic search channels MP3 speaker 2.0speaker bluetooth mini speaker for iphone, mobile phone 1. Special Doss voice prompt,calling ... technology,neodymium iron boron speaker,perfect quality sound. 5. Dual power,built in 3.7v 500mah lithium battery,external dock 3 ... batte,it cabe used as power bank. 6. SIG certified bluetooth V2.1+EDR 7. Using for meeting,travelling,car kit,children ...