Fitbit Charge 5 for sale, complete unopened in box with paperwork as this was sent as warranty replacement but I purchased a higher end fitness tracker in the intervening time.
Works with iPASS as a transit card, including auto-topup from specific bank credit cards that partner with iPASS.
NT$2500, currently selling for $4288 on momo/pchome.
Location: between Far Eastern Hospital station and Shulin station. Can arrange to meet at one of those two stations.