Dj Gulfam Electronics Full Bluetooth Speaker Material Amplifier Board 3.7 Volt Battery Rechargeable + Single Battery Holder + On Off Switch + Charging Jack Electronic Components Electronic Hobby Kit Price in India -
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DUTTY DIY bluetooth speaker kit parts assembly, power amplifier speaker parts circuit board production, support Bluetooth, U disk playback, with LED color light, with power-off memory : Amazon.co.uk: Electronics & Photo