Amazon Black Friday may officially be over, but the Black Friday deals aren’t done just yet. This weekend, you can score this sleek and simple Amazon fitness tracker for just $35.  Released in late 2021, the slender, Alexa-enabled Amazon Halo View measures heart rate, activity, sleep and even blood-oxygen levels. It also offers connectability to popular health apps, such as Headspace and Bettersleep, as well as connectivity to your phone. It also boasts a seven-day battery life.   Another added bonus? Each watch comes with a 12-month membership subscription with access to workout and programs. After the trial period, it auto-renews at $4 per month.  Amazon Halo View, $35 (reduced from $80) Other fitness…