{"sku":"HL-FIT-TRACK","name":"Smart Fitness Tracker (AMOLED, 14 Days, SpO2/GPS)","category":"electronics","subcategory":"phone_accessories","brand":"Generic Premium","description":"Fitness tracker with 1.43\" AMOLED always-on display. SpO2, heart rate, sleep, stress monitoring. Built-in GPS (5-system). 100+ workout modes. 5ATM waterproof. 14-day battery. Calls/notifications. iOS+Android. Black/Blue/Pink.","specs":{"display":"1.43\" AMOLED","sensors":"HR, SpO2, Sleep, Stress, Gyro, Compass","gps":"5-system built-in GPS","waterproof":"5ATM","battery":"14 days","workout_modes":"100+"},"price":"$29.99","price_cents":2999,"in_stock":true,"stock":500,"weight_grams":32,"origin":"CN","return_rate_pct":2.5,"avg_rating":4.3,"total_orders":6700,"tags":["fitness","tracker","AMOLED","GPS","heart-rate","SpO2","smart-band"]}