DIY 2in1 - Power Bank and Bluetooth Speaker in Mobile Box

DIY Homemade 2in1 - Power Bank and Bluetooth Speaker in Mobile Box - I am using 2pcs Speaker 5 W (8 Ohm) - PAM8403 mini Amplifier: https://goo.gl/Uxv2Ce - Module DIY Power Bank : https://goo.gl/7JMzyp - 4pcs 3,7v 18650 battery - Volt Meter : https://goo.gl/UeshcH - Bluetooth Audio Module Thanks for watching, Have a great day ! -----------------------------------------

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• #diy_2_in_1
• #diy_power_bank
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• #power_bank_in_mobile_box