Compact Multifunction Speaker4.3" LED DisplayBuilt-in FM RadioUSB/Micro SD Inputs Allow You to Play Your Favorite Music From an MP3 Player or a Micro SD CardAuxiliary Input Allows You to Play Any External Media DeviceMusic Formats: MP3, WMA, OGG, APE, FLAC, WAV, AAC CompatibleVideo Formats: RMVB, AVI, MKV, VOB, MOV, FLV, ASF, DAT, MP4, 3GP, MPG, MPGE etc., High Definition Video Play & 720P Full Screen VideoSupports LyricsHeadset Microphone Jack with Echo Function (headset included)Built-in Rechargeable BatteryCarrying Strap IncludedRemote ControlSpecifications:Frequency Response: 100Hz-18KHzSensitivity: 80dBImpedance: 4 ohmPeak Power Capacity: 100WattsPower Supply: DC 5VAC Power Supply: 115V 60Hz / 230V 50Hz