{"niche":"在200英镑以下，哪些健身追踪器评分最高？","description":"What are the top-rated fitness trackers under £200?","products":[{"brand":"Samsung","model":"Galaxy Fit3","price_gbp":52.11,"origin_country":null,"specs":{"battery_life":"Up to 13 days","step_counter":"Yes (steps)","sleep_tracking":"Yes (sleep stages, sleep score, snoring detection)","calories_burned":"Yes (calories burned)","activity_tracking":"Over 100 workouts, automatic workout detection, daily activity (steps, activity time)","waterproof_rating":"IP68 / 5 ATM","heart_rate_monitor":"Optical Heart Rate Sensor"},"confidence_score":null,"summary":"The Samsung Galaxy Fit3 is a lightweight fitness band with a 1.6 in AMOLED display, optical heart rate sensor, sleep tracking, SpO2, and support for 100+ workouts. It offers long battery life up to 13 days and is suited for Android users seeking an affordable, everyday activity tracker.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Samsung","url":"https://www.samsung.com/latin_en/watches/galaxy-fit/galaxy-fit3-gray-bluetooth-v5-3-sm-r390nzaalta/","currency":"USD","source_country":"US","price":69.99,"price_gbp":52.11,"scraped_at":"2026-06-04T16:47:32.761771"},{"label":"Best Buy","url":"https://www.bestbuy.com/site/samsung-galaxy-fit3/6523450.p","currency":"USD","source_country":"US","price":69.99,"price_gbp":52.11,"scraped_at":"2026-06-04T16:47:35.860757"}]},{"brand":"Amazfit","model":"Bip 6","price_gbp":59.56,"origin_country":null,"specs":{"battery_life":"Up to 14 days (typical use)","step_counter":"Yes (step counting supported)","sleep_tracking":"Yes (sleep quality monitoring)","calories_burned":"Yes (calorie tracking supported)","activity_tracking":"140+ workout modes (tracks heart rate, steps, calories, pace)","waterproof_rating":"5 ATM","heart_rate_monitor":"BioTracker PPG biometric sensor (5PD + 2LED)"},"confidence_score":null,"summary":"The Amazfit Bip 6 is an everyday smartwatch with a 1.97 in AMOLED, BioTracker heart-rate sensor, built-in GPS, and 140+ workout modes. It offers multi-day battery life and 5 ATM water resistance, suited for users who want a full-featured fitness watch at an affordable price.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Amazfit","url":"https://us.amazfit.com/products/bip-6","currency":"USD","source_country":"US","price":79.99,"price_gbp":59.56,"scraped_at":"2026-06-04T16:47:02.388433"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/amazfit-bip-6-smartwatch-46mm-silicone-stone-2025/J3R85LLRJT","currency":"USD","source_country":"US","price":79.99,"price_gbp":59.56,"scraped_at":"2026-06-04T16:47:05.522163"}]},{"brand":"Huawei","model":"Watch Fit 4","price_gbp":110.95,"origin_country":null,"specs":{"battery_life":"Up to 10 days (typical 7 days)","step_counter":"Yes, step count","sleep_tracking":"Yes, sleep stages (REM, deep, light) and sleep HRV","calories_burned":"Yes, calories burned metric during activity","activity_tracking":"100+ workout modes, activity and route tracking with dual-band GNSS","waterproof_rating":"5 ATM (50 m swim)","heart_rate_monitor":"Continuous heart rate monitoring, wrist-based heart rate sensor"},"confidence_score":null,"summary":"Lightweight fitness watch with continuous heart-rate and SpO2 monitoring, dual-band GPS, offline maps, extensive activity modes and up to 10 days battery life. Suited for active users who want strong fitness and sleep tracking in a slim, long‑lasting wearable.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Huawei Store (UK)","url":"https://consumer.huawei.com/uk/wearables/watch-fit4/","currency":"USD","source_country":"US","price":149.0,"price_gbp":110.95,"scraped_at":"2026-06-04T16:46:46.575011"},{"label":"Argos","url":"https://www.argos.co.uk/search/huawei-watch-fit-4/","currency":"USD","source_country":"US","price":149.0,"price_gbp":110.95,"scraped_at":"2026-06-04T16:46:49.757337"}]},{"brand":"Fitbit","model":"Charge 6","price_gbp":119.1,"origin_country":null,"specs":{"battery_life":"up to 7 days","step_counter":"24/7 step counting","sleep_tracking":"sleep stages and sleep score (tracks light deep REM)","calories_burned":"tracks calories burned (active and total)","activity_tracking":"40+ exercise modes, auto activity detection, built-in GPS","waterproof_rating":"water resistant up to 50m","heart_rate_monitor":"continuous heart rate with ECG and high/low heart rate notifications"},"confidence_score":null,"summary":"The Fitbit Charge 6 is a slim fitness tracker with continuous heart-rate monitoring (including ECG), built-in GPS, 40+ exercise modes, and advanced sleep tracking. It suits users who want accurate health and activity tracking in a compact, lower-cost device.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Google Store","url":"https://store.google.com/product/fitbit_charge_6?hl=en-US","currency":"USD","source_country":"US","price":159.95,"price_gbp":119.1,"scraped_at":"2026-06-04T16:46:31.266460"},{"label":"Best Buy","url":"https://www.bestbuy.com/site/fitbit-charge-6/","currency":"USD","source_country":"US","price":159.95,"price_gbp":119.1,"scraped_at":"2026-06-04T16:46:34.389274"}]},{"brand":"Amazfit","model":"Active 3 Premium","price_gbp":126.57,"origin_country":null,"specs":{"battery_life":"Up to 12 days (typical use)","step_counter":"Yes (step counting)","sleep_tracking":"Yes (sleep stages and assisted sleep monitoring)","calories_burned":"Yes (calorie tracking)","activity_tracking":"170+ sport modes including running, cycling, swimming, strength training","waterproof_rating":"5 ATM","heart_rate_monitor":"24/7 optical heart rate monitoring (BioTracker)"},"confidence_score":null,"summary":"Amazfit Active 3 Premium is a 45mm fitness-focused smartwatch with an AMOLED sapphire display, built-in GPS with offline maps, advanced running metrics and extensive health monitoring. It suits new and entry-level runners and casual users who want long battery life and comprehensive tracking at an affordable price.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Amazfit (official store)","url":"https://us.amazfit.com/products/active-3-premium","currency":"USD","source_country":"US","price":169.99,"price_gbp":126.57,"scraped_at":"2026-06-04T16:48:03.280527"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/amazfit-active-3-premium-smartwatch-45mm-white-2026/J3R85LLQLK","currency":"USD","source_country":"US","price":169.99,"price_gbp":126.57,"scraped_at":"2026-06-04T16:48:06.564388"},{"label":"Live Science (product review links to purchase)","url":"https://www.livescience.com/products/health-fitness/amazfit-active-3-premium-review","currency":"USD","source_country":"US","price":169.99,"price_gbp":126.57,"scraped_at":"2026-06-04T16:48:09.714185"}]},{"brand":"Garmin","model":"Forerunner 55","price_gbp":131.04,"origin_country":null,"specs":{"battery_life":"Up to 2 weeks in smartwatch mode; up to 20 hours in GPS mode","step_counter":"Yes (step counter)","sleep_tracking":"Yes (advanced sleep tracking)","calories_burned":"Yes (calories burned including basal + activity)","activity_tracking":"Running, cycling, swimming, walking, general cardio, yoga, and other activity profiles (step count, intensity minutes)","waterproof_rating":"Water-resistant to 50 m","heart_rate_monitor":"Garmin Elevate wrist heart rate monitor (optical)"},"confidence_score":null,"summary":"The Garmin Forerunner 55 is a lightweight GPS running watch with wrist-based heart rate, daily activity and sleep tracking, guided workouts and up to two weeks battery in smartwatch mode. It suits runners and fitness users who want accurate basic training metrics without advanced mapping or multisport pro features.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Garmin Store","url":"https://www.garmin.com/en-US/p/741137/","currency":"USD","source_country":"US","price":199.99,"price_gbp":148.91,"scraped_at":"2026-06-04T16:47:17.503097"},{"label":"Run United","url":"https://rununited.com/garmin-forerunner-55-black-010-02562-00","currency":"USD","source_country":"US","price":175.99,"price_gbp":131.04,"scraped_at":"2026-06-04T16:47:20.598012"}]},{"brand":"Whoop","model":"Whoop 5.0 (membership required)","price_gbp":148.18,"origin_country":null,"specs":{"battery_life":"14+ days","step_counter":"Steps tracking available","sleep_tracking":"Tracks all four sleep stages and provides lab-level sleep analysis","calories_burned":"Calories burned estimation available","activity_tracking":"24/7 activity and strain tracking with workout load and VO2 max","waterproof_rating":null,"heart_rate_monitor":"Photoplethysmography (optical heart rate) with continuous monitoring"},"confidence_score":null,"summary":"Whoop 5.0 is a membership-linked wearable focused on continuous heart-rate, sleep, recovery, and strain monitoring with 14+ day battery life and advanced health insights. It suits athletes and users who want detailed sleep and recovery analytics rather than a traditional smartwatch display.","pros":null,"cons":null,"ideal_for":null,"sources":[{"label":"Whoop","url":"https://www.whoop.com/us/en/one/","currency":"USD","source_country":"US","price":199.0,"price_gbp":148.18,"scraped_at":"2026-06-04T16:47:47.940785"},{"label":"Best Buy","url":"https://www.bestbuy.com/site/brands/whoop/pcmcat1698680354842.c?id=pcmcat1698680354842","currency":"USD","source_country":"US","price":199.0,"price_gbp":148.18,"scraped_at":"2026-06-04T16:47:51.012345"}]}]}