... controls for treble/bass response• Battery indicator lightSpecifications: Frequency bandVHFChannelUSB Device/SD/MMCsensitivity12dBuVspeaker5 1/4” 4 ohm full range speakerDeviation RangeVHF ... supplySpecial designLCD display, Remote control for MP3 playerAudiences120 peopleAccessoriesShoulder strap, wireless microphone ,power cable , remote controlRemote controlSelect modes, jazz classical music ...