Highlights of the decode board module:

• Super sound quality, 2W mono amplifier (5V power supply and up to 3W) onboard, connect with speakers (recommended 4Ω and 3W speaker) directly, 3.5mm gold-plated headphone jack can connect with headphones or audio.

• With MicroUSB power supply interface, use the mobile power or USB charger power. You also can use 3.7V lithium battery and USB 5V to supply power.

• Supports TF card (mobile phone memory card), U disk playback mode.
• With the speaker terminal you don’t need to weld. Easy to wire.
• Easy to modify the module design.

Product description:

• Supports MP3 format and auto play. In playback status the red LED will update.
• Supports U disk, TF card playback mode;and the default mode is TF card mode. If the TF card does not exist, it will automatically jump to U disk mode, and when two devices are installed, you can manually set the playback mode. Just see the key operation instructions.
• Button can adjust the song switch, volume + -, pause / play, mode switch. Please see the key operation instructions.
• Press the "Repeat" button to change the cycle mode

Key operation instructions

• "Prev / V--" key: "short press" to switch "last song", "long press" to "volume down"

• "Next / v ++" key: "short press" to switch "next song", "long press" to "volume increase"

• "P / P / Mode" key: "short press" to "play / pause" switch, "long press" for the U disk, TF card "mode" select

• "Repeat" key: "short press", for the "single / all song" cycle switch (no long press function)

• Note: 1. "long press" time is about 2S

• If you use U disk mode,suggest 5V power supply, some U disk does not support 3.7V power supply.

Product specifications:

• Power supply range: 3.7 ~ 5.5V

• Product Size: 45mm * 36mm