DIY Mono Bluetooth Speaker Waterproof ip67, Wireless Charging, 5000mAh Battery and many Bass

Hello everyone. Hope you enjoy this video. Have a nice day. Product’s links: Audio Speaker 4Ohm 15W: TPA3110 2X15W Bluetooth Amplifier: 3“ INCH 79*79MM Bass Radiator: LiitoKala Lii-50A 26650 5000mah: 1S 15A li-ion BMS battery protection: