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1. Power supply range: 3.7-5.5V
2. Exquisite double-layer board design, large area of copper, stable and reliable
3. Anti-static bag packaging, to avoid static electricity damage to the product on the way to the shipment
4. Weight: about 10.5 g
5. Size: about 4.5 x 3.6 cm
Module highlights:
1. Strong sound quality, on-board 2W mono amplifier (5V power supply up to 3W) directly connected to the speakers (recommended with 4Ω 3W speakers), 3.5mm gold-plated headphone socket can be connected to headphones or external audio
2. With MicroUSB power supply interface, through the cell phone cable using mobile power or USB charger power supply, can also be used 3.7V lithium battery, USB 5V power supply
3. Support TF card (cell phone internal memory card), U disk playback mode
4. With speaker terminals without welding, convenient wiring, modular design for easy modification
5. Supporting MP3 format, power on automatic playback, playback status when the red LED indicator update
6. Support U disk (tested 32G), TF card (tested 16G) playback mode; power on the default TF card mode, if the TF card does not exist automatically jump to the U disk mode, and the two devices are installed, you can manually set up the playback mode, please see the key operation instructions for details
7. Keys can be adjusted up and down the track switching, volume + -, pause / play, mode switching, key to set a single song / full cycle, power on the default full cycle, press the Repeat key to replace the cycle mode
Key operation description:
1. Prev/V--key: short press to switch to the previous song, long press for the volume decreasing
2. Next/v++ key: short press to switch to the next song, long press to increase the volume
3. P/P/Mode key: short press for play/pause switch, long press for U disk, TF card mode selection
4. Repeat key: short press for single song / full song cycle switch (no long press function)
Attention:
1. Long press time is about 2s
2. If you use U disk mode, 5V power supply is recommended, some U disk does not support 3.7V power supply
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