{"data":{"slug":"amazfit-active-max","type":"smartwatch","brand":"Amazfit","name":"Active Max","aliases":["Amazfit Active Max","A2557"],"release_date":"2025-12","url":"https://arkivo.dev/smartwatches/amazfit-active-max","specs":{"series":"Active","model_numbers":["W2557AP1N"],"gtins":["850071618761"],"announce_date":"2025-12-30","status":"available","predecessor":null,"successor":null,"launch_price_usd":169,"launch_price_eur":null,"markets":["US"],"colors":["Black"],"manufacturer_url":"https://us.amazfit.com/products/active-max","spec_sheet_url":"https://us.amazfit.com/products/active-max","manual_url":"https://support.amazfit.com/en/amazfit_active_max/files/user-manual.pdf.pdf","eprel_registration_number":null,"warranty_years":1,"segment":"sport","os_updates_years":null,"security_updates_until":null,"case_sizes_mm":[48.5],"case_shape":"round","case_material":"mixed","case_material_name":"Aluminum alloy frame with polymer case","back_material":null,"case_dimensions_mm":{"height_mm":48.5,"width_mm":48.5,"thickness_mm":12.2},"weight_g":39.5,"weight_with_strap_g":null,"water_resistance_atm":5,"water_resistance_standard":"ISO 22810:2010","ip_rating":null,"dive_rating":null,"dive_max_depth_m":null,"mil_std_810":null,"mil_std_810_tests":null,"operating_temperature_c":{"min_c":0,"max_c":45},"display_technology":"oled","display_technology_name":"AMOLED","screen_size_in":1.5,"resolution":{"width_px":480,"height_px":480},"pixel_density_ppi":323,"display_area_mm2":null,"touchscreen":true,"refresh_rate_max_hz":null,"refresh_rate_min_hz":null,"brightness_peak_nits":3000,"brightness_min_nits":null,"always_on_display":true,"display_cover_material":"other_glass","display_cover":"Strengthened glass with anti-fingerprint coating","platform":"proprietary","os_at_launch":"Zepp OS 5","os_skin":"Zepp OS","os_latest":"Zepp OS 6","compatible_phone_os":["ios","android"],"phone_os_requirement":null,"third_party_apps":true,"voice_assistants":["Zepp Flow"],"chipset":null,"process_node_nm":null,"cpu_core_count":null,"cpu_clusters":null,"cpu_max_ghz":null,"gpu":null,"low_power_coprocessor":null,"ram_gb":null,"storage_gb":[4],"heart_rate_sensor":"BioTracker PPG biometric sensor (5 photodiodes and 2 LEDs)","ecg":false,"spo2":true,"skin_temperature":true,"blood_pressure":null,"bioimpedance":null,"eda_sensor":null,"medical_clearances":null,"accelerometer":true,"accelerometer_max_g":null,"gyroscope":true,"barometer":true,"compass":true,"ambient_light_sensor":true,"depth_gauge":null,"depth_gauge_max_m":null,"water_temperature_sensor":null,"health_features":["heart_rate_alerts","blood_oxygen_app","hrv","sleep_tracking","sleep_stages","stress_tracking","readiness_score","cycle_tracking"],"fitness_features":["auto_workout_detection","vo2_max","training_load","recovery_advice","pool_swim","open_water_swim","strength_rep_counting","interval_workouts","route_navigation","turn_by_turn_navigation","ski_resort_maps"],"sport_profiles_count":null,"dive_modes":null,"external_sensor_types":["heart_rate_strap","power_meter","speed_cadence"],"fall_detection":false,"crash_detection":false,"emergency_sos":false,"emergency_siren_db":null,"live_tracking":null,"led_flashlight":false,"positioning":["GPS","GLONASS","Galileo","QZSS","BeiDou"],"dual_frequency_gnss":false,"offline_maps":true,"bluetooth":true,"bluetooth_version":"5.3","wifi":false,"wifi_standard":null,"wifi_bands":null,"cellular":false,"network_technologies":null,"bands_4g":null,"bands_5g":null,"nfc":null,"nfc_payments":null,"payment_services":null,"uwb":null,"satellite_connectivity":null,"ant_plus":false,"speaker":true,"microphone_count":null,"calls_on_watch":"phone_only","offline_music":true,"button_count":2,"hardware_buttons":["Up button","Down button"],"crown":"none","rotating_bezel":"none","gesture_controls":["Cover the screen to turn it off"],"battery_capacity_mah":658,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":600},{"mode":"heavy_use","with_solar":false,"hours":312},{"mode":"always_on","with_solar":false,"hours":240},{"mode":"gps","with_solar":false,"hours":64},{"mode":"gps_with_music","with_solar":false,"hours":22}],"battery_life_smartwatch_claimed_h":600,"battery_life_always_on_claimed_h":240,"battery_life_gps_claimed_h":64,"solar_charging":null,"charging_method":"magnetic_pins","charging_notes":"Input DC 5 V, 500 mA max. The product manual recommends a power adapter with a charging current of 1 A or more. The USB-C cable is not included.","charging_max_w":null,"fast_charging":null,"quick_charge":null,"charge_time_0_80_min":null,"charge_time_0_100_min":120,"measured_brightness_nits":null,"measured_battery_active_use_h":null,"battery_life_measured":null,"measured_charge_time_min":null,"band_width_mm":22,"quick_release":null,"band_compatibility":"22 mm strap attachment","band_material":"silicone","band_name":null,"band_sizes":null,"fcc_ids":null,"sar_limb_w_kg":null,"sar_eu_limb_w_kg":null,"other_certifications":null,"in_the_box":["Smartwatch (including standard strap)","Magnetic charging head (no cable)","Instruction manual"],"charger_in_box":false},"variants":[],"sources":[{"url":"https://us.amazfit.com/products/active-max","kind":"manufacturer_page","accessed":"2026-10-14","fields":["series","status","markets","colors","manufacturer_url","spec_sheet_url","warranty_years","segment","case_sizes_mm","case_shape","case_material","case_material_name","case_dimensions_mm","weight_g","water_resistance_atm","water_resistance_standard","display_technology","display_technology_name","screen_size_in","resolution","pixel_density_ppi","touchscreen","brightness_peak_nits","always_on_display","display_cover_material","display_cover","platform","os_skin","os_latest","compatible_phone_os","voice_assistants","storage_gb","heart_rate_sensor","spo2","skin_temperature","accelerometer","gyroscope","barometer","ambient_light_sensor","health_features","fitness_features","external_sensor_types","offline_maps","bluetooth","bluetooth_version","speaker","calls_on_watch","offline_music","button_count","battery_capacity_mah","battery_life_claimed","band_width_mm","band_compatibility","band_material","in_the_box","charger_in_box","ant_plus","compass"],"notes":{"status":"Store page shows Add to cart, the product is in stock at 169.99 USD on the accessed date.","warranty_years":"US store page lists 1 Year Warranty. The product manual states a 12-month manufacturing-defect warranty or the period required by local consumer law. US market only.","segment":"Active family positioned for training. Tom's Guide calls it a sports-oriented smartwatch.","case_sizes_mm":"Case width and height 48.5 mm. Colour: Black only.","case_material":"Technical Specifications > Body Material: Frame: Aluminum Alloy, Case: Polymer. Stored as mixed.","case_dimensions_mm":"Technical Specifications > Dimensions (without heart rate base): 48.5 x 48.5 x 12.2 mm.","weight_g":"Weight (without strap): 39.5 g. No weight with strap is published.","water_resistance_atm":"Water-Resistance Grade 5 ATM. Footnote 14: 50 m static, tested to ISO 22810:2010 by TUV-SUD.","water_resistance_standard":"Footnote 14: according to ISO 22810:2010, passed third-party testing by TUV-SUD.","screen_size_in":"Display Size 1.5 in, AMOLED.","pixel_density_ppi":"Display PPI: 323, as published.","brightness_peak_nits":"Peak up to 3,000 nits. Footnote 4: 3,000 nit brightness is not supported below 30% battery. With automatic brightness enabled the watch can reach up to 2,000 nits in some environments. Peak claim, not a measurement.","always_on_display":"Technical Specifications > Battery lists AoD mode battery life of up to 10 days.","display_cover":"Touchscreen: strengthened glass plus anti-fingerprint coating. Not sapphire.","platform":"Zepp OS is Amazfit's own watch software. The Software Updates section names Zepp OS 6.","os_latest":"Software Updates, August 2026 OTA 4: upgraded to Zepp OS 6. The os.zepp.com Zepp OS 6 list also names Active Max.","compatible_phone_os":"Supported Devices: Android 7.0 and above, iOS 14.0 and above. Requires the Zepp App. The user manual says iOS 14.0 and the reseller-hosted product manual says iOS 15.0, so no phone requirement text is stored.","voice_assistants":"Zepp Flow, select countries and regions. English, French, German, Italian, Spanish, Japanese, Korean and Portuguese.","storage_gb":"4GB storage, nominal.","heart_rate_sensor":"Sensors > Health: BioTracker PPG biometric sensor (5PD + 2LED).","spo2":"Blood-oxygen saturation 24-hour and manual measurement. Not a medical device.","skin_temperature":"24H Monitoring lists skin temperature (thermometer).","health_features":"Heart rate, SpO2 and stress monitoring, abnormal high and low heart-rate alerts and low SpO2 alerts, sleep stages including REM, sleep HRV, sleep score, BioCharge/HybridCharge energy score and menstrual cycle tracking. Heart-rate sampling can be set to 1 minute at the lowest, so continuous heart rate is not claimed. No ECG, sleep apnea or hypertension features.","fitness_features":"Smart recognition of 8 sports and 25 strength movements, VO2 max, training load, recovery time, rep, set and rest detection, interval training on the watch, pool and open water swimming modes, offline maps with turn-by-turn directions and imported-route navigation. VO2 max and real-time performance scores work in running modes only. 170+ sports modes is not an exact count.","external_sensor_types":"Connection to Peripheral Workout Devices: heart rate belt, running and cycling power meters, cycling speedometer and cadence meter. Footnote 13: Bluetooth LE devices only.","ant_plus":"Footnote 13: peripheral devices connect over Bluetooth LE only. No ANT+ is listed.","compass":"The user manual Control Center lists Compass and Barometer. The spec table lists a geomagnetic sensor.","offline_maps":"Free downloadable maps, with OSM import. Footnote 2: the downloaded map must match the real location and a route file must be imported for navigation. Maps include ski resorts.","bluetooth":"Connection: Bluetooth, BLE 5.3.","bluetooth_version":"Connection: Bluetooth, BLE 5.3.","speaker":"Speaker and Mic: Support.","calls_on_watch":"FAQ: Bluetooth phone calls and texts through the paired phone. No cellular model.","offline_music":"4GB for up to 100 hours of podcast playback. Continuous GPS usage with music: up to 22 hours. Footnote 1 says podcast support arrives by software update. The FAQ says third-party music apps cannot be installed.","button_count":"Technical Specifications > Buttons: 2.","battery_capacity_mah":"658 mAh, rated value.","battery_life_claimed":"Up to values. Typical 25 days: static watch face, voice assistant off, heart rate every 5 minutes, 8 hours a day sleep and breathing monitoring, 15 minutes a week calls, 30 minutes a week music and three 30-minute GPS runs a week. Heavy 13 days: dynamic watch face, voice assistant on, heart rate every minute, 30 minutes a week calls, 60 minutes a week music and the same GPS runs. AoD mode 10 days has no stated conditions beyond that. Continuous GPS 64 h. GPS with music 22 h.","band_width_mm":"Strap Attachment 22mm in the model comparison and Strap Width: 22mm in the specs.","band_compatibility":"Compare table: Strap Attachment 22mm. The product manual shows spring-bar strap attachment. The lug screws are not strap-release controls.","band_material":"Strap Materials: Silicone. Classic pin buckle.","in_the_box":"Packing List. The page notes the USB-C charging cable is not included.","charger_in_box":"Packing list has the magnetic charging head but no mains or USB power adapter."}},{"url":"https://us.amazfit.com/products/active-max.js","kind":"manufacturer_page","accessed":"2026-10-14","fields":["model_numbers","gtins"],"notes":{"model_numbers":"Store product data: SKU W2557AP1N, the only variant, Default Title. Manual model numbers A2556 and A2557 cover the global and the US edition. The EU edition W2556GL1N and its NFC are not added.","gtins":"Store barcode 850071618761."}},{"url":"https://www.nasdaq.com/press-release/amazfit-introduces-active-max-bigger-brighter-and-built-maximum-performance-2025-12","kind":"press_release","accessed":"2026-10-14","fields":["announce_date","release_date","launch_price_usd"],"notes":{"release_date":"Release dated 30 December 2025: the Active Max is available starting December 30, 2025 on Amazfit.com and Amazon.","launch_price_usd":"Pricing and Availability: $169.00 on Amazfit.com and Amazon. The US store lists 169.99 USD today. Tom's Guide names the starting price as $169."}},{"url":"https://teamplush.by/wp-content/uploads/2026/03/ebee4a37f9738b85defbef6b93194aef44753e63015757d5d56ccbd7659e6d1e_optim_cropped.pdf","kind":"manual","accessed":"2026-10-14","fields":["operating_temperature_c","bluetooth_version","charging_method","charging_notes","hardware_buttons","water_resistance_atm"],"notes":{"operating_temperature_c":"Basic Parameters, model number A2556/A2557: working temperature 0 to 45 C. Reseller-hosted copy of Amazfit's Product Manual (importer Beryko).","bluetooth_version":"Basic Parameters: Bluetooth version V5.3, 2400-2483.5 MHz, output power under 13 dBm.","charging_method":"Charging the Watch: the metal contacts on the back of the watch fit the charging base. The page calls it a magnetic charging head. Conductive pins, not Qi.","charging_notes":"Basic Parameters: Input DC 5 V 500 mA MAX. Charging the Watch note 2 recommends a power adapter with 1 A or more. The US page says the USB-C cable is not included.","hardware_buttons":"About the Watch: Up button and Down button. Strap-lug screws are not operating buttons.","water_resistance_atm":"Basic Parameters: water resistance rating 5 ATM. Repair and Maintenance says the watch cannot be used for snorkeling, diving or high-speed water activities."}},{"url":"https://support.amazfit.com/en/amazfit_active_max/files/user-manual.pdf.pdf","kind":"manual","accessed":"2026-10-14","fields":["manual_url","always_on_display","compass","barometer","gesture_controls","crown","rotating_bezel"],"notes":{"always_on_display":"Always On Display: enable the AOD in Settings > Display. Standby screen keeps time and some watch face information.","compass":"Control center supported features include Barometer and Compass.","barometer":"Control center supported features include Barometer.","gesture_controls":"Basic operations, page 2: cover the screen to turn it off.","crown":"Basic operations show touch gestures, an upper button and a lower button. No rotating crown.","rotating_bezel":"No rotating bezel in the manual. Tom's Guide calls the tachymeter bezel faux and flush with the glass, so it is decorative."}},{"url":"https://gadgetsandwearables.com/technical-specs/amazfit-active-max/","kind":"spec_database","accessed":"2026-10-14","fields":["os_at_launch","positioning","wifi","ecg","led_flashlight","emergency_sos","cellular"],"notes":{"os_at_launch":"Operating system at launch: Zepp OS 5.","positioning":"Sensors list GPS, Galileo, GLONASS, QZSS and BeiDou. The maker page says five satellite systems without naming them. Frequency bands are not given.","wifi":"Wi-Fi: No. The maker spec table lists no Wi-Fi.","ecg":"Electrical heart rate: No. ECG: No. The maker sensor list has only the PPG sensor.","led_flashlight":"LED flashlight: No. The control center flashlight lights the display, which is not a dedicated LED.","emergency_sos":"Emergency SOS: No. Satellite SOS: No. Fall detection: No.","cellular":"Cellular: No."}},{"url":"https://www.tomsguide.com/wellness/smartwatches/amazfit-active-max-review-a-high-end-garmin-dupe-for-the-price-of-an-entry-level-smartwatch","kind":"review_site","accessed":"2026-10-14","fields":["dual_frequency_gnss","fall_detection","crash_detection","cellular","offline_music"],"notes":{"dual_frequency_gnss":"The onboard GPS antenna is a single-band affair.","fall_detection":"You won't find fall or crash detection.","crash_detection":"You won't find fall or crash detection.","cellular":"Spec table: cellular support No.","offline_music":"4GB of onboard storage for saving up to 100 hours of music or podcasts."}},{"url":"https://livescience.com/health/exercise/amazfit-active-max-smartwatch-review","kind":"review_site","accessed":"2026-10-14","fields":["dual_frequency_gnss","compass"],"notes":{"dual_frequency_gnss":"Review calls the GPS single-band. Its unit lists Zepp Pay NFC, so it may be the EMEA edition.","compass":"Review lists single-band GPS, compass and altimeter."}},{"url":"https://the5krunner.com/specs/amazfit/active-max/","kind":"spec_database","accessed":"2026-10-14","fields":["charge_time_0_100_min","third_party_apps"],"notes":{"charge_time_0_100_min":"Charging row: approximately 2 hours for a full charge. Approximate, charger not stated. The page lists NFC for EMEA only and no ANT+.","third_party_apps":"App ecosystem row: Zepp OS third-party mini-app store."}},{"url":"https://os.zepp.com/compatibility-zepp-os-6","kind":"manufacturer_page","accessed":"2026-10-14","fields":["os_latest"],"notes":{"os_latest":"Current maker compatibility list names Amazfit Active Max for Zepp OS 6. This is the current major version, not a patch version. Feature availability varies by watch."}}],"fields_filled":85,"updated":"2026-10-14"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}