... battery and back of device has polycrystalline silicon solar panel4.Direct voice to microphone contact for best ... , German, Spanish, Russian,Chinese,ItalianSpecification Bluetooth Version 2.0+EDRMusic format MP3Noise ratio >90dBFM transmission type FHSSFM transmission8 ... *55MA=275MW with FM transmiter,speaker and polycrystalline silicon solar panel ;support TF card USB +LCD screen, Bluetooth Car ...