3.7V Power Amplifier Board 220V 12V 24V Bluetooth Module Square Dance Speaker Supports Bluetooth Aux TF Card U Disk Recording 5-8 Inch 30W Speaker Amplifier

【Feature】1.Support reading MP3 music in U disk and TF small memory card;2.Built-in Bluetooth receiving function, can receive Bluetooth music from mobile phones;3.For 3.7V lithium battery, can be charged with DC5V/1-2A charger;4.With AUX IN external audio input function, can be connected to the computer to play;5.The panel has a wired jack, which can be used to sing or sing:6.Using word power amplifier, rated power 15W, peak 30W;7.The product is mono channel.【Specification】Model: 3.7V 803Channel: MonoVoltage: 12V/24V/110-220VPower: 30W-120WFrequency: 30HZ-13KHZSize: 185*85MM【Package Contents】1 * 3.7V Bluetooth Amplifier Board （Without Power）2 * Speaker Wires1 * FM Radio Line1 * Remote Control