XH-A150 Lithium Battery Bluetooth Digital Power Amplifier Board 5W+5W Mouth Power DIY Small Speaker Rechargeable for Android

XH-A150 Lithium Battery Bluetooth Digital Power Amplifier Board 5W+5W Mouth Power DIY Small Speaker Rechargeable for Android

Details
Product Name: Bluetooth Digital Power Amplifier Board
Product model: XH-A150
Chip model: PAM8403
Transmission distance: up to 20 meters (no blocking)
Supply voltage: 5V (Micro-input)
Color: green
material: metal
Number of channels: 2
Maximum power: 5W+5W
Product net weight: 42g
Product size: 102*69*24mm
Instructions for use:
1. Install the TR18650 battery first, pay attention to the positive and negative points! (Battery is purchased by yourself)
2. Two wire link audio speakers, red is positive, black is negative
3. Insert an SD card with song files in the SD card slot or a USB flash drive with song files inserted in the USB interface.
4. Open the open key, it will automatically read your SD card or USB flash drive, and start playing songs. If the SD card and USB flash drive are installed at the same time, it will read the SD card file and play it by default.
Package Contents:
1* Amplifier Board
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