3.7V Amplifier Board Bluetooth Module Square Dance Speaker Support Bluetooth Aux TF-Card U-Disk Recording 5-8inch 30W Speaker Amplifier: 15954

Description

ITEM DESCRIPTION

Three specifications (optional )

• 3.7v 10W 4ohms
• 3.7v 2*10W 4ohms
• 3.7v 2*8W BASS+2*2W Treble
• size :190*85mm
• depth:25mm
• Inputs: Supports Bluetooth connectivity, USB flash drives, Micro SD (TF) cards, and FM radio.
• Audio Control: Includes independent controls for master volume, microphone volume, and echo effects for karaoke.
• Power: Compatible with 3.7V lithium batteries, typically rechargeable via a DC 5V/1-2A charger.
• Included Accessories: Comes with wiring cables and a remote control unit

Key operation

MODE/LED.SW

• short press: Mode Switch USB/TF/FM/BT/AUX
• long press: LED ON/OFF

I◄◄/CH-/REC

• under USB/CARD/BT/FM Mode ,short press for “PREV Song” or PREV STATION
• under USB/CARD ,Long press for ” MIC Record ” short press ” stop recording and turn off this function”

SCAN/PLAY.REC

• under USB/CARD/BT/LINE MODE , for paly/pause
• under FM , short press for auto searching stations and store
• ►►I/CH+/TWS
• under USB/CARD/BT/FM ,short press for next song or next station
• under BT , Long press TWS Pair

Packing List :

• 1 x 3.7V Bluetooth Amplifier board(Without power)
• 1 x Remote Control(with battery)
• 1 x Speaker Wires
• 1 x radio antenna