非常好的产品,简单易用,性能稳定强大
非常美观,非常实用的心电检测贴,小巧而精致,是国内最好的单导全程心电设备,没有之一。
Yes, HeartBook is completely free and it doesn't have any in-app purchases or subscriptions.
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HeartBook is free.
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非常美观,非常实用的心电检测贴,小巧而精致,是国内最好的单导全程心电设备,没有之一。
用起来很方便,特意买了一个心书S-MCT给老爸用。操作简单
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