... for sound Used for entertainment, teching Item Name: Outdoor amplifier with fm radioItem No.: GSG-YB002 High lights:Multifunction ... all in one with Entertainment,Microphone, Amplifier, Loudspeaker,Music play and FM radioSupporting TF and ... working in 7-8 hours Function Mp3, FM radio, Amplifier, loudspeaker, microphone, reverberationColor ChoiceBlack,Red, BlueWeight 225g ( ...