Bluetooth Low Energy ID Coin - 200m range - waterproof - 5 year battery

https://www.calculus.group/shop/ble-bi-id-coin-bluetooth-low-energy-id-coin-200m-range-waterproof-5-year-battery-498 https://www.calculus.group/web/image/product.template/498/image_1920?unique=ad04090

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