All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
TF card U disk play MP3 decoder player module power Supply:3.7-5.5V, with MicroUSB power connector, power supply or USB mobile charger powered via phone lines, but also can be 3.7V lithium battery, USB 5V power supply.
for Mp3 decoders power amplifier decoder board support TF card and USB.
MP3 player audio module support MP3 format, playing power on automatically, LED indocator light when module is working
Decoder board convenient to wire and refit, 4 buttons on the board for setting operation
Note: 1 "long press" time is about 2S. 2 If you use U disk mode, some suggestions of 5V power supply, some U disk doesn't support 3.7V power supply.
Description
Key operating instructions:
The "Prev/V--" key : " short press "is switching to"the last song ,"long press" is for "volume decreasing"
The "Next++" key : " short press "is switching to"the next song","long press"is for"volume increasing "
The "P/P/Mode" key :"short press"is switching to "play / pause", " long press"is U disk and TF Card mode's selection
The "Repeat" key :"short press" is switching cyclically "single / song" (no press function)
Packing included:
4 x Decoder player module
Note:
"long press" time is about 2S.
If you use U disk mode, some suggestions of 5V power supply, some U disk doesn't support 3.7V power supply.