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Waterproof Emergency Weather Radios Emergency Power Bank Portable 4 Charging Methods High Brightness Camping Radio Tools| | - AliExpress
Is it OK that the power bank makes a little sound when I charge it (i.e., the power bank itself)? - Quora
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HOPESTAR H20 Portable Outdoor Waterproof Three-speaker Noise Reduction Bluetooth Speaker, Support Hands-free Call & Power Bank & U Disk & TF Card & 3.5mm AUX(Black)
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