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Manual Download: http://attach01.oss-us-west-1.aliyuncs.com/IC/DIY-Manual/GY20950-2.pdf
1.Introduction:
Our versatile electronics kit not only functions as a high-quality Bluetooth-Compatible Speaker but also doubles as an FM radio. The kit also support U-disk/TFCard to play music,saves on your phone battery.It's a DIY kit which comes with various components.
Bluetooth-Compatible Operation: Turn on the Bluetooth-Compatible of the mobile phone, find"DJN-V100" and click connect, then you can enjoy the music.

2.Feature:
1>.Multi-Audio Source Selectable: This device offers a variety of audio input options, including Bluetooth-Compatible , FM, AUX, U-disk, and TF Card, enabling the playback of MP3 or lossless music files with a screen display indicating the current audio source. Users can control the music playback functions such as play/pause/next/prev/vol+/vol- using either the remote controller or on-board buttons.
2>.Bluetooth-Compatible Player : With its built-in Bluetooth-Compatible audio receiver and power amplifier, this device can directly drive 4ohm 3W speakers, producing clear and high-quality sound.
3>.LED Spectrum Display: The device also features 12 pink/blue/green LED spectrum indicators that flash in sync with the music, creating a dynamic and visually stunning lighting effect. The LED audio indicator flashes at both ends simultaneously, and the sensitivity is adjustable using the potentiometer.
4>.Dual Channel Stereo Speaker: The device can drive two 2.0 3W*2 speakers, producing clear and powerful stereo sound.
3.Parameter:
1>.Product Name:LED Spectrum FM Bluetooth-Compatible Audio Speaker DIY Kit
2>.Work Voltage:DC 5V
3>.Work Current: >1.5A
4>.Speaker: 3W 4ohm
5>.Channel: Dual-Channel Stereo
6>.Audio source:Bluetooth-Compatible /FM/AUX/U-disk/TF Card
7>.FM station: Automatic radio search
8>.Receiver Frequency:87.0MHz~108.0MHz
9>.Frequency accuracy:0.1MHz
10>.Control Type:Bluetooth-Compatible /Remote Controller/On Board Button
11>.LED Color:Pink/Blue/Green
12>.Output type: Speaker
13>.Audio format:APE/FLAC/WAV/MP3/WMA
14>.Power interface: DC-005 Power Socket
15>.Work Temperature:-20~85
16>.Work Humidity:5%~85%RH
17>.Size(Installed):148*81*68mm









4.Use Methods:
1>.Switch Red/Black Switch to turn ON/OFF work power supply.
2>.MODE Button: Switch Audio Mode. Press the button to alternate between Bluetooth-Compatible , FM, AUX, U-disk, and TF Card playback modes. Note: When using U-disk or TF Card, insert it first to play music.
3>.SCAN Button: Short press to play or pause music. Press and hold for 3 seconds to initiate automatic radio search in FM mode.
4>.VOL+ Button: Short press to switch next music. Hold it down for 3 seconds to increase the volume (V++).
5>.VOL- Button: Short press to switch previous music. Hold it down for 3 seconds to decrease the volume (V--).
6>.Potentiometer: It is used to adjust volume by screwdriver.
5.Application:
1>.Training welding skills
2>.Student school
3>.DIY production
4>.Project Design
5>.Electronic competition
6>.Gift giving
7>.Crafts collection
8>.Home decoration
9>.Souvenir collection
10>.Graduation design
11>.Holiday gift
6.Installation Tips:
1>.User needs to prepare the welding tool at first.
1.1>.Soldering iron (<50 Watt)
1.2>.Rosin core ("radio") solder
1.3>.Wire cutters
1.4>.Wire strippers
1.5>.Philips screwdriver
2>.Please be patient until the installation is complete.
3>.The package is DIY kit.It need finish install by user.
4>.The soldering iron can't touch the components for a long time(3s), otherwise damage components.
5>.Pay attention to the positive and negative of the components.
6>.Strictly prohibit short circuit.
7>.User must install the LED according to the specified rules.Otherwise some LED will not light.
8>.Install complex components preferentially.
9>.Make sure all components are in right direction and right place.
10>.Check that all of the LED can be illuminated.
11>.It is strongly recommended to read the installation manual before starting installation!!!
12>.Please wear anti-static gloves or anti-static wristbands when installing electronic components.