... 1 year warranty High Quality Speaker for iPhone 5 4S 1. Special Doss voice prompt,calling answer, ... 4. Pneumatic pressure cone technology,neodymium iron boron speaker,perfect quality sound. 5. Dual power,built in ... used as power bank. 6. SIG certified bluetooth V2.1+EDR 7. Using for meeting,travelling ... cable can't replace the audio cable.Specifications1. Speaker Power:3W,4Ω 2. battery capacity:600mA,3 ...