2x20W Voice Recorder 7.4V Battery Bluetooth Amplifier Board with Audio Decoder for Trolley Speakers

DC 7.4V Battery AMP 2x20W MP3 Microphone TWS Wireless Amplifier Power Board for Outdoor Trolley Portable Speakers

• Wireless Bluetooth TWS function with synchronization capability
• Wired and wireless microphone support with recording function
• Lossless decoding format music playback
• USB disk and TF card reading capability
• FM radio (87.5MHz-108.0MHz)
• Infrared remote control operation (5-10 meters distance)
• LINE-IN (AUX) and LINE-OUT support
• Power failure memory function
• Digital tube display
• Power automatic protection system (reverse polarity protection)
• Volume control: 30-50 levels maximum
• Playback modes: Pause, single song loop, replay all tracks
• Audio controls: Treble, bass, echo, microphone adjustment

• MIC PRI Button: Microphone working status
• REC Button: Record microphone speech
• VOL- Button: Previous song/station (short press), Fast forward (long press in USB/CARD mode)
• Auto Button (Pause/TWS): Play/pause (short press), Auto FM search (FM mode), TWS function (long press in BT mode)
• VOL+ Button: Next song/station (short press), Fast backward (long press in USB/CARD mode)
• MODE Button: Cycle through USB/CARD/FM/AUX/BT functions

• Standard packaging
• Export carton
• Custom packing available
• All orders shipped within 3-25 days after payment confirmation

PAYMENT: Standard terms: 30% deposit in advance, 70% balance before shipment. Online trade assurance orders available. Multiple payment methods accepted (T/T, PayPal, Western Union).

SHIPPING & WARRANTY: 100% strict inspection and testing before shipment. Replacement within one week for defective goods. One year warranty provided.

Consistently receiving 5-star feedback from customers, demonstrating our commitment to high-quality products and professional services.

• Q: What is the minimum order quantity?
  A: Please contact us for small order requirements.
• Q: How long is your delivery time?
  A: Products shipped within 3 days after payment confirmation, delivery time 3-6 days.
• Q: Do you test all items before delivery?
  A: Yes, all items are tested and checked before shipment.
• Q: What is your warranty policy?
  A: 60 days after receiving goods. Products are 100% tested before shipping. Defective goods must be reported within 3 days of delivery.
• Q: How do I pay for orders?
  A: We accept wire transfer, Western Union, PayPal, , escrow. Contact us for other payment methods.