D12 Rechargable Bluetooth Solar FM Radio With FlashlightModel : D12Bluetooth version :5.0Stereo audio transmission protocol :A2DPV1.2Audio format :MP3Material :ABSInput sensitivity :400mVOutput power :5WSeparation degree :90dBFrequency Sound range :85Hz-20KHzSNR :80dBHorn: Double magnetic weight, lo..