Mini Bluetooth speaker modification | Pringles Bluetooth speaker upgrade | Battery replacement

A.O.A
welcome to my channel " tech by mas "
Today in this video I will guide you that how to save your money by upgrading your bluetooth speaker. by replacing 1.5v cells with 3.7v secondary battery you can save your money and also get rid from leak rusted cells , watch video and enjoy it and if you have any problem asked me in comment section

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