Bluetooth Low Energy ID Card - 300m range - waterproof - 2 year battery

https://www.calculus.group/shop/ble-bi-id-card-bluetooth-low-energy-id-card-300m-range-waterproof-2-year-battery-497 https://www.calculus.group/web/image/product.template/497/image_1920?unique=ad04090

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