... meter tramsmit 3) Bluetooth 2.1 4) support all device Newest !! ! Mini bluetooth speaker for iphone 4,ipad ,imac ,mp3/mp4 player ... :Model Number:YF-H-140Compatibel with:iPhone,iPad, table pc, notebook etc( include all device with Bluetooth function)Dimension:59.5mm ... -ion battery, 3.7V 800 mAhPlaytime:4-8 hoursPicture show : Newest !! ! Mini bluetooth speaker for iphone 4,ipad ,imac ,mp3/mp4 player