Super sound, board 2W single channel amplifier (5V power up to 3W) directly to the speaker (recommended with 4 3W speakers), 3.5mm gold plated headphone jack can be connected to the headset or external audio.
With MicroUSB power supply interface, through the use of mobile phone data cable or USB charger power supply, can also be used 3.7V lithium battery, 5V USB power supply.
Support TF Card (mobile phone memory card, U disk playback mode).
With horn wiring terminal without welding, convenient connection.
Module design convenient modification.
1) support MP3 format, on the power automatically play, when the state of the red LED indicator light.
2) support U disk (32G test), TF (test 16G) playback mode; power on the default mode if there is no TF card, TF card automatically jump to the U disk, and two kinds of equipment are installed, can play mode manual settings, please see key operating instructions.
3) buttons adjustable upper and lower switch tracks, volume +, pause / play, mode switch, please see key operating instructions.
4) can press the button to set the “single / full song” cycle, the power of the default full song cycle, press the “Repeat” key to replace the cycle mode
Key operation instructions
“Prev/V–” key: “short press” to switch “on one” song, “long press” for “volume decrease”
“Next/v++” key: “short press” to switch “next” song, “long press” for “volume increment””
The “P/P/Mode” button: short press “play / pause” switch “, long press” U “mode” disc, TF Card
“Repeat” key: “short press”, as “single / full song” cycle switch (no long press function)
Note: 1 “long press” time is about 2S
2 if you use the U disk mode, it is recommended that the 5V power supply, some U disk does not support the 3.7V power supply.
Product specification parameters
Power supply range: 3.7~5.5V
Product size: 45mm*36mm