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diymore DC-DC DC 5-30V to DC 0.6-30V 4A 35W Step Up/Down Boost Buck CC CV Regulated Adjustable Power Supply Module Solar Charger
diymore DC-DC DC 5-30V to DC 0.6-30V 4A 35W Step Up/Down Boost Buck CC CV Regulated Adjustable Power Supply Module Solar Charger Original price was: 1,200.00৳ .Current price is: 795.00৳ .

Bluetooth 5.0 audio receiver board lossless mp3 decoder wireless stereo music module board

Price range: 160.00৳  through 190.00৳ 

🔧 Technical Specifications:
• 🔋 Power Supply Range: 3.7V–5V (supports lithium batteries & USB 5V)
• 🎵 SNR (Signal-to-Noise Ratio): 90dB
• 📉 THD+N (Total Harmonic Distortion + Noise): -70dB
• 🔀 Crosstalk: -86dB
• 🔊 DNR (Dynamic Range): 91dB
• 📡 Wireless Range (Line-of-Sight): >15 meters
• 🔄 Supported Profiles: A2DP, AVRCP, AVCTP, AVDTP, HFP

🔌 Interface Overview:
• 🧲 Micro USB: 5V universal power supply
• 🔋 Battery Pad: 3.7V–5V external lithium battery input
• 💡 LED Indicator: Solid blue light indicates Bluetooth pairing mode
• 🎧 Audio Output: Standard 3.5mm stereo jack — plug into headphones, amps, or

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Description
Parameter characteristics:
3.7-5V Power Supply
SNR  90dB
THD + N  -70dB
Crosstalk  -86dB
DNR  91dB
Support profile  A2dp / avctp / avdtp / avrcp / hfp
LOS  > 15m
Interface details:
USB  powered Universal 5v micro usb power supply
3.7-5v supply pad  3.7-5v lithium battery external power conversion
LED indicator  Bluetooth mode long blue light
3.5mm stereo audio  interface Standard 3.5mm interface, stereo output sound source, plug in headphones, connect amplifiers and other devices
Instructions:
After the power is turned on, the blue indicator lights up and enters bluetooth mode; the English “the bluetooth device is ready to pair” is displayed, indicating that bluetooth mode is entered and waiting for pairing; o “xy_bt” Searched by the bluetooth mobile phone is the device name of the decoding board., Click on the connection, the decoder board asks “the bluetooth device is connected successfully”, indicating that the decoder board and the mobile phone are successfully connected, you can play music. As shown below
Package Contents:
1x 3.7-5v mini bluetooth mp3 decoder bluetooth 5.0 power amplifier board
Additional information
Port Type

Micro usb

,

Type C

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