{"data":{"slug":"amazfit-t-rex-3-pro","type":"smartwatch","brand":"Amazfit","name":"T-Rex 3 Pro","aliases":["Amazfit T-Rex 3 Pro 44mm","Amazfit T-Rex 3 Pro 48mm"],"release_date":"2025-09","url":"https://arkivo.dev/smartwatches/amazfit-t-rex-3-pro","specs":{"series":"T-Rex","model_numbers":["W2549GL5N","W2549GL1N","W2549GL2N","W2444OV1N","W2444OV5N"],"gtins":["850071618594","850071618679","850071618631","6972596109655","6972596109549","6972596109440","6972596109280","6972596109358"],"announce_date":"2025-09-05","status":"available","predecessor":null,"successor":null,"launch_price_usd":399,"launch_price_eur":399.9,"markets":null,"colors":["Tactical Black","Black Gold","Arctic Gold"],"manufacturer_url":"https://us.amazfit.com/products/t-rex-3-pro","spec_sheet_url":null,"manual_url":"https://support.amazfit.com/en/amazfit_t-rex_3_pro/files/user-manual.pdf.pdf","eprel_registration_number":null,"warranty_years":1,"segment":"outdoor","os_updates_years":null,"security_updates_until":null,"case_sizes_mm":[44,48],"case_shape":"round","case_material":"mixed","case_material_name":"Fiber-reinforced polymer case with Grade 5 titanium bezel and buttons","back_material":null,"case_dimensions_mm":{"height_mm":44.8,"width_mm":44.8,"thickness_mm":13.2},"weight_g":46.8,"weight_with_strap_g":null,"water_resistance_atm":10,"water_resistance_standard":"ISO 22810:2010","ip_rating":null,"dive_rating":"EN13319:2000, ISO 6425:2018, GB/T 18828-2022","dive_max_depth_m":45,"mil_std_810":true,"mil_std_810_tests":null,"operating_temperature_c":{"min_c":-30,"max_c":null},"display_technology":"oled","display_technology_name":"AMOLED","screen_size_in":1.32,"resolution":{"width_px":466,"height_px":466},"pixel_density_ppi":353,"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":"sapphire","display_cover":"Sapphire glass","platform":"proprietary","os_at_launch":"Zepp OS 5","os_skin":null,"os_latest":"Zepp OS 6","compatible_phone_os":["ios","android"],"phone_os_requirement":"Android 7.0 and above, iOS 15.0 and above, with the Zepp App","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":null,"heart_rate_sensor":"BioTracker 6.0 PPG biometric sensor (5PD + 2LED)","ecg":null,"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":true,"depth_gauge_max_m":45,"water_temperature_sensor":null,"health_features":["continuous_heart_rate","heart_rate_alerts","blood_oxygen_app","hrv","sleep_tracking","sleep_stages","stress_tracking","readiness_score"],"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","trackback","golf_courses","ski_resort_maps"],"sport_profiles_count":187,"dive_modes":["scuba_single_gas","freedive"],"external_sensor_types":["heart_rate_strap","power_meter","speed_cadence","foot_pod","smart_trainer"],"fall_detection":null,"crash_detection":null,"emergency_sos":null,"emergency_siren_db":null,"live_tracking":null,"led_flashlight":true,"positioning":null,"dual_frequency_gnss":true,"offline_maps":true,"bluetooth":true,"bluetooth_version":"5.2","wifi":true,"wifi_standard":null,"wifi_bands":["2.4ghz"],"cellular":false,"network_technologies":null,"bands_4g":null,"bands_5g":null,"nfc":true,"nfc_payments":true,"payment_services":["Zepp Pay"],"uwb":null,"satellite_connectivity":null,"ant_plus":false,"speaker":true,"microphone_count":null,"calls_on_watch":"phone_only","offline_music":true,"button_count":4,"hardware_buttons":["UP","SELECT","BACK","DOWN"],"crown":"none","rotating_bezel":"none","gesture_controls":null,"battery_capacity_mah":500,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":408},{"mode":"heavy_use","with_solar":false,"hours":192},{"mode":"gps_dual_frequency","with_solar":false,"hours":26},{"mode":"gps_power_saving","with_solar":false,"hours":51},{"mode":"extended_gps","with_solar":false,"hours":60},{"mode":"max_battery_gps","with_solar":false,"hours":86}],"battery_life_smartwatch_claimed_h":408,"battery_life_always_on_claimed_h":null,"battery_life_gps_claimed_h":null,"solar_charging":null,"charging_method":null,"charging_notes":"Magnetic charging head. The packing list says no cable is included and the store FAQ says a USB-C cable is not supplied.","charging_max_w":null,"fast_charging":null,"quick_charge":null,"charge_time_0_80_min":null,"charge_time_0_100_min":null,"measured_brightness_nits":null,"measured_battery_active_use_h":null,"battery_life_measured":null,"measured_charge_time_min":null,"band_width_mm":20,"quick_release":true,"band_compatibility":"20 mm quick release on the 44 mm case and 22 mm quick release on the 48 mm case","band_material":"silicone","band_name":null,"band_sizes":[{"size_label":null,"wrist_min_mm":140,"wrist_max_mm":205}],"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":[{"model_number":"W2549GL5N","colors":["Tactical Black"],"case_sizes_mm":[44],"case_dimensions_mm":{"height_mm":44.8,"width_mm":44.8,"thickness_mm":13.2},"weight_g":46.8,"screen_size_in":1.32,"resolution":{"width_px":466,"height_px":466},"pixel_density_ppi":353,"battery_capacity_mah":500,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":408},{"mode":"heavy_use","with_solar":false,"hours":192},{"mode":"gps_dual_frequency","with_solar":false,"hours":26},{"mode":"gps_power_saving","with_solar":false,"hours":51},{"mode":"extended_gps","with_solar":false,"hours":60},{"mode":"max_battery_gps","with_solar":false,"hours":86}],"band_width_mm":20,"band_sizes":[{"wrist_min_mm":140,"wrist_max_mm":205}]},{"model_number":"W2549GL1N","colors":["Black Gold"],"case_sizes_mm":[44],"case_dimensions_mm":{"height_mm":44.8,"width_mm":44.8,"thickness_mm":13.2},"weight_g":46.8,"screen_size_in":1.32,"resolution":{"width_px":466,"height_px":466},"pixel_density_ppi":353,"battery_capacity_mah":500,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":408},{"mode":"heavy_use","with_solar":false,"hours":192},{"mode":"gps_dual_frequency","with_solar":false,"hours":26},{"mode":"gps_power_saving","with_solar":false,"hours":51},{"mode":"extended_gps","with_solar":false,"hours":60},{"mode":"max_battery_gps","with_solar":false,"hours":86}],"band_width_mm":20,"band_sizes":[{"wrist_min_mm":140,"wrist_max_mm":205}],"gtin":"850071618679"},{"model_number":"W2549GL2N","colors":["Arctic Gold"],"case_sizes_mm":[44],"case_dimensions_mm":{"height_mm":44.8,"width_mm":44.8,"thickness_mm":13.2},"weight_g":46.8,"screen_size_in":1.32,"resolution":{"width_px":466,"height_px":466},"pixel_density_ppi":353,"battery_capacity_mah":500,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":408},{"mode":"heavy_use","with_solar":false,"hours":192},{"mode":"gps_dual_frequency","with_solar":false,"hours":26},{"mode":"gps_power_saving","with_solar":false,"hours":51},{"mode":"extended_gps","with_solar":false,"hours":60},{"mode":"max_battery_gps","with_solar":false,"hours":86}],"band_width_mm":20,"band_sizes":[{"wrist_min_mm":140,"wrist_max_mm":205}],"gtin":"850071618631"},{"model_number":"W2444OV1N","colors":["Tactical Black"],"case_sizes_mm":[48],"case_dimensions_mm":{"height_mm":48,"width_mm":48,"thickness_mm":14},"weight_g":52,"screen_size_in":1.5,"resolution":{"width_px":480,"height_px":480},"pixel_density_ppi":322,"battery_capacity_mah":700,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":600},{"mode":"heavy_use","with_solar":false,"hours":240},{"mode":"gps_dual_frequency","with_solar":false,"hours":38},{"mode":"gps_power_saving","with_solar":false,"hours":74},{"mode":"extended_gps","with_solar":false,"hours":85},{"mode":"max_battery_gps","with_solar":false,"hours":116}],"band_width_mm":22,"band_sizes":[{"wrist_min_mm":145,"wrist_max_mm":210}],"gtin":"850071618594"},{"model_number":"W2444OV5N","colors":["Black Gold"],"case_sizes_mm":[48],"case_dimensions_mm":{"height_mm":48,"width_mm":48,"thickness_mm":14},"weight_g":52,"screen_size_in":1.5,"resolution":{"width_px":480,"height_px":480},"pixel_density_ppi":322,"battery_capacity_mah":700,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":600},{"mode":"heavy_use","with_solar":false,"hours":240},{"mode":"gps_dual_frequency","with_solar":false,"hours":38},{"mode":"gps_power_saving","with_solar":false,"hours":74},{"mode":"extended_gps","with_solar":false,"hours":85},{"mode":"max_battery_gps","with_solar":false,"hours":116}],"band_width_mm":22,"band_sizes":[{"wrist_min_mm":145,"wrist_max_mm":210}]}],"sources":[{"url":"https://us.amazfit.com/products/t-rex-3-pro","kind":"manufacturer_page","accessed":"2026-10-15","fields":["series","segment","status","manufacturer_url","warranty_years","colors","case_sizes_mm","case_shape","case_material","case_material_name","case_dimensions_mm","weight_g","water_resistance_atm","water_resistance_standard","dive_rating","dive_max_depth_m","mil_std_810","display_technology","display_technology_name","screen_size_in","resolution","pixel_density_ppi","touchscreen","brightness_peak_nits","display_cover_material","display_cover","platform","os_latest","compatible_phone_os","phone_os_requirement","voice_assistants","heart_rate_sensor","spo2","skin_temperature","accelerometer","gyroscope","barometer","compass","ambient_light_sensor","depth_gauge","depth_gauge_max_m","health_features","fitness_features","sport_profiles_count","dive_modes","external_sensor_types","led_flashlight","dual_frequency_gnss","offline_maps","bluetooth","bluetooth_version","wifi","wifi_bands","cellular","ant_plus","speaker","calls_on_watch","offline_music","button_count","battery_capacity_mah","battery_life_claimed","charging_notes","band_width_mm","quick_release","band_compatibility","band_material","band_sizes","in_the_box","charger_in_box","variants","model_numbers","gtins"],"notes":{"series":"Amazfit T-Rex family. The page compares it with the T-Rex 3, T-Rex Ultra 2 and T-Rex Dual Solar.","segment":"Amazfit sells it as a rugged outdoor smartwatch.","status":"Store lists all five options at 399.99 USD and the add to cart button is active.","warranty_years":"Store footer says 1 Year Warranty. This is the US store.","colors":"Spec table: 48 mm Tactical Black and Black Gold. 44 mm Arctic Gold and Black Gold. The store also sells Tactical Black in 44 mm.","case_sizes_mm":"Two case sizes, 44 mm and 48 mm, sold as one product. Base values below describe the 44 mm case.","case_shape":"The display is round and the product images show a round case with an octagonal bezel.","case_material":"Body material: case in fiber-reinforced polymer. Bezel and buttons in Grade 5 titanium. Stored as mixed.","case_dimensions_mm":"Dimensions without heart rate base: 48 mm 48 x 48 x 14 mm and 44 mm 44.8 x 44.8 x 13.2 mm. The thickness leaves out the sensor base.","weight_g":"Weight without strap: 48 mm 52 g and 44 mm 46.8 g.","water_resistance_atm":"Water-resistance grade 10 ATM. Note 6 says it is rated to ISO 22810:2010 for 100 m and passed SGS testing.","water_resistance_standard":"Note 6: according to ISO 22810:2010 the watch achieves 10 ATM.","dive_rating":"Note 2 names EN13319:2000, ISO 6425:2018 and GB/T 18828-2022, each with report numbers per size.","dive_max_depth_m":"Page text: certified for diving to a depth of 45 m. The comparison table lists 45 m freediving and scuba.","mil_std_810":"Note 1: MIL-STD-810H-2019 data comes from report H202505284651-01EN for 48 mm and H202509017818-01EN for 44 mm. The tests are not listed.","display_technology_name":"Display material: AMOLED.","screen_size_in":"Size: 48 mm 1.5 inch and 44 mm 1.32 inch.","resolution":"48 mm 480 x 480 and 44 mm 466 x 466.","pixel_density_ppi":"PPI 322 for 48 mm and 353 for 44 mm as published.","touchscreen":"The manual describes swipe gestures and touch. The spec table row labelled Touchscreen names sapphire glass.","brightness_peak_nits":"Peak brightness up to 3,000 nits. Note 16: not supported in low temperature mode or when battery life is below 30%, and needs automatic brightness.","display_cover":"Screen material: sapphire glass. The features text says scratch-resistant sapphire glass.","platform":"Zepp OS, Zepp Health's own operating system. The page links to the Zepp OS technology page.","os_latest":"The comparison table on the US page lists OS compatibility Zepp OS 6. The UK page still lists Zepp OS 5.","phone_os_requirement":"Supported devices: Android 7.0 and above, iOS 15.0 and above. Application: Zepp App.","voice_assistants":"AI assistant: Zepp Flow, in select countries and regions.","heart_rate_sensor":"Health sensor: BioTracker 6.0 PPG biometric sensor (5PD + 2LED).","spo2":"24 hour and manual blood-oxygen saturation. Not a medical device.","skin_temperature":"24H monitoring lists skin temperature (thermometer).","compass":"Outdoor tools list Compass and the movement sensors include a geomagnetic sensor.","ambient_light_sensor":"Movement sensors list an ambient light sensor.","depth_gauge":"The comparison table lists scuba and freediving with dive depth. The manual states the maximum measurement depth.","depth_gauge_max_m":"See the manual for the 45 m maximum measurement depth.","health_features":"24 hour heart rate, blood oxygen and stress, abnormal high and low heart rate alerts, sleep heart rate variability, sleep stages including REM, and HybridCharge energy score. Not medical devices.","fitness_features":"Smart recognition of 8 sports movements, VO2 Max, Training Load, recovery, pool and open-water swim, strength training with recognition of 25 movements, interval training, offline maps, turn-by-turn directions, direct return navigation and ski resort maps. The FAQ says Golf Mode is supported with golf course maps.","sport_profiles_count":"Technical specifications row: Sports Modes 187. Marketing copy says 180+.","dive_modes":"Comparison table: 10 ATM, 45 m freediving, scuba. The FAQ says it suits freediving and recreational scuba diving.","external_sensor_types":"Bluetooth peripherals: heart rate belt, running power meter, cycling power meter, cycling speed and cadence sensors and Stryd foot pod. The September 2026 update notes add FTMS indoor bike trainers. Only BLE devices are supported.","led_flashlight":"Two-color LED flashlight: 200 lux and 300 lux in Boost Mode.","dual_frequency_gnss":"Positioning: dual-band support and six satellite positioning systems. The page does not name the systems.","offline_maps":"Navigation and maps: offline maps supported.","bluetooth":"Connection: Wi-Fi 2.4 GHz, Bluetooth 5.2, BLE.","wifi":"Connection: Wi-Fi 2.4 GHz and OTA update via Wi-Fi.","cellular":"Connection lists Wi-Fi 2.4 GHz, Bluetooth 5.2 and BLE only. No cellular radio is listed.","ant_plus":"Note 15: peripheral connections only support BLE devices. ANT+ is not listed.","speaker":"Mic and Speaker: Support.","calls_on_watch":"FAQ: the T-Rex 3 Pro supports Bluetooth phone calls and texts. Calls use the paired phone.","offline_music":"Music storage: Support, with a 26 GB shared storage limit. The manual says local music plays through the speaker or Bluetooth headphones.","button_count":"Buttons: 4.","battery_capacity_mah":"Battery capacity: 48 mm 700 mAh and 44 mm 500 mAh, both rated values.","battery_life_claimed":"Typical use 25 days (48 mm) and 17 days (44 mm). Heavy use 10 days and 8 days. Accurate GPS mode 38 h and 26 h in the spec table, with heart rate on and dual-frequency, all satellites. Power-saving GPS 74 h and 51 h with single frequency. GPS Long Battery Life 85 h and 60 h and GPS Max Battery Life 116 h and 86 h, both only in Hiking and Climbing sports modes. Low temperature rows are not stored. The comparison table shows 29 h for the 44 mm accurate GPS value. The spec table, feature text and UK page say 26 h, so 26 h is stored. Conditions are in note 8.","charging_notes":"Packing list: magnetic charging head (no cable). FAQ: Amazfit does not include a USB-C cable.","band_width_mm":"Strap width: 48 mm 22 mm and 44 mm 20 mm.","quick_release":"Comparison table: strap attachment 22 mm quick release and 20 mm quick release.","band_compatibility":"Comparison table: strap attachment 22 mm quick release for 48 mm and 20 mm quick release for 44 mm.","band_material":"Strap material: silicone.","band_sizes":"Min and max wrist dimensions: 48 mm 145 to 210 mm and 44 mm 140 to 205 mm. Buckle: classic pin buckle.","in_the_box":"Packing list: smartwatch (including standard strap), magnetic charging head (no cable), instruction manual.","charger_in_box":"Only the charging head is supplied. No mains adapter and no cable.","variants":"Five store options: Tactical Black, Black Gold and Arctic Gold in the sizes listed on the product page.","model_numbers":"US store variant SKUs: W2549GL5N Tactical Black 44 mm, W2549GL1N Black Gold 44 mm, W2549GL2N Arctic Gold 44 mm, W2444OV1N Tactical Black 48 mm and W2444OV5N Black Gold 48 mm. The German store uses other SKUs.","gtins":"The US store lists 850071618594 for Tactical Black 48 mm, 850071618679 for Black Gold 44 mm and 850071618631 for Arctic Gold 44 mm. The German store EANs are on the German store feed."}},{"url":"https://us.amazfit.com/products/t-rex-3-pro.json","kind":"manufacturer_page","accessed":"2026-10-15","fields":["model_numbers","gtins","launch_price_usd"],"notes":{"model_numbers":"Store feed variant SKUs by colour and size.","gtins":"Store feed barcodes. Only three of the five options carry a barcode.","launch_price_usd":"Feed lists 399.99 USD for every option. The launch press release says 399.00 USD, which is the stored value."}},{"url":"https://uk.amazfit.com/products/t-rex-3-pro","kind":"manufacturer_page","accessed":"2026-10-15","fields":["os_at_launch","nfc","nfc_payments","payment_services","battery_life_claimed"],"notes":{"os_at_launch":"The UK comparison table lists Zepp OS 5 for the T-Rex 3 Pro. The US page now lists Zepp OS 6.","nfc":"The Zepp Pay text says Zepp Pay uses the integrated NFC technology.","nfc_payments":"Zepp Pay binds up to eight bank cards for contactless payment. Note 16 lists 31 supported countries in Europe through Curve and issuer banks. The US page does not mention Zepp Pay.","payment_services":"Zepp Pay. Curve and participating issuer banks in 31 European countries.","battery_life_claimed":"The UK page gives 26 h for the 44 mm accurate GPS mode, like the US spec table."}},{"url":"https://de.amazfit.com/products/t-rex-3-pro","kind":"manufacturer_page","accessed":"2026-10-15","fields":["launch_price_eur","bluetooth_version","wifi_bands","nfc","os_at_launch"],"notes":{"launch_price_eur":"Amazfit Germany lists 399.90 EUR including VAT for both sizes. This is the current store price and it matches the launch price reported by nextpit.","bluetooth_version":"Specs table: Bluetooth 5.2 (BLE) and 2.4 GHz Wi-Fi.","wifi_bands":"Specs table: 2.4 GHz Wi-Fi.","nfc":"Zepp Pay text names the integrated NFC technology.","os_at_launch":"Specs table lists Zepp OS 5."}},{"url":"https://de.amazfit.com/products/t-rex-3-pro.json","kind":"manufacturer_page","accessed":"2026-10-15","fields":["gtins","variants"],"notes":{"gtins":"German store feed EANs: 6972596109655 Tactical Black 44 mm, 6972596109549 Black Gold 44 mm, 6972596109440 Arctic Gold 44 mm, 6972596109280 Tactical Black 48 mm and 6972596109358 Black Gold 48 mm. These belong to the German store SKUs, so no variant row carries them.","variants":"The German store sells the same five colour and size options under its own SKUs."}},{"url":"https://support.amazfit.com/en/amazfit_t-rex_3_pro/files/user-manual.pdf.pdf","kind":"manual","accessed":"2026-10-15","fields":["manual_url","always_on_display","touchscreen","button_count","hardware_buttons","crown","rotating_bezel","dive_modes","depth_gauge","depth_gauge_max_m","fitness_features","third_party_apps","offline_music","compatible_phone_os","phone_os_requirement"],"notes":{"manual_url":"Amazfit T-Rex 3 Pro user manual, global version.","always_on_display":"Settings > Display > Always On Display, and an Always-on mode toggle in the Control Center.","touchscreen":"Gestures such as swipe and tap. The touchscreen is switched off during dives.","button_count":"UP, SELECT, BACK and DOWN. UP and DOWN also work as gesture shortcuts.","hardware_buttons":"Upper right SELECT, lower right BACK, plus UP and DOWN.","crown":"No crown is described. Controls are four buttons and the touchscreen.","rotating_bezel":"No rotating bezel is described.","dive_modes":"Diving section: the device supports recreational scuba diving and freediving modes. The default gas type is Air and it must not be used for mixed-gas or technical diving.","depth_gauge":"Technical specifications in the diving section state the maximum measurement depth.","depth_gauge_max_m":"Maximum measurement depth: 45 m / 147.6 ft. Accuracy follows EN13319.","fitness_features":"Navigation section: return to the starting point by straight line or by the original route (Backtrack).","third_party_apps":"Apps can be installed from the app store in the Zepp App.","offline_music":"Music player: plays .mp3 files stored on the watch through the speaker or Bluetooth headphones.","compatible_phone_os":"Pairs with the Zepp App on Android or iOS.","phone_os_requirement":"Manual: the phone must run Android 7.0 or iOS 15.0 or later."}},{"url":"https://www.zepp.com/press-release/amazfit-t-rex-3-pro-smartwatch-launches-featuring-a-rugged-titanium-design-and-integrated-flashlight","kind":"press_release","accessed":"2026-10-15","fields":["announce_date","release_date","launch_price_usd","operating_temperature_c","led_flashlight","speaker","display_cover_material","case_sizes_mm"],"notes":{"announce_date":"Release dated 5 September 2025 as the new T-Rex 3 Pro.","release_date":"Available in the US from 5 September 2025. The 48 mm Tactical Black came first. The 44 mm sizes followed in Q4 2025.","launch_price_usd":"Available for 399.00 USD on Amazfit.com and Amazfit retail partners. The Amazfit store now lists 399.99 USD. Prices exclude sales tax.","operating_temperature_c":"The watch can operate in temperatures as low as -30 degrees C. No upper limit is published. The manual limits some functions below -10 degrees C on the watch surface.","led_flashlight":"Dual-color LED flashlight with Boost mode, red light and SOS flash.","speaker":"Built-in speaker and microphone.","display_cover_material":"Scratch-resistant sapphire glass screen.","case_sizes_mm":"Available in two case sizes, 48 mm and 44 mm."}},{"url":"https://the5krunner.com/specs/amazfit/t-rex-3-pro/","kind":"spec_database","accessed":"2026-10-15","fields":["release_date","os_at_launch","nfc"],"notes":{"release_date":"Release date 5 September 2025 for the 48 mm model.","os_at_launch":"Operating system Zepp OS 5.","nfc":"Lists NFC for Zepp Pay."}},{"url":"https://gadgetsandwearables.com/2025/10/25/amazfit-t-rex-3-pro-44mm/","kind":"press","accessed":"2026-10-15","fields":["release_date"],"notes":{"release_date":"Article of 25 October 2025: the 44 mm Black Gold is on sale in the US, UK and China. The Arctic Gold followed in November 2025. The article gives 640 mAh for the 44 mm battery, which conflicts with the 500 mAh on the maker page. The maker value is stored."}},{"url":"https://gadgetsandwearables.com/2026/07/22/amazfit-t-rex-3-pro-ultra-2-zepp-os-6-update/","kind":"press","accessed":"2026-10-15","fields":["os_latest"],"notes":{"os_latest":"Article of 22 July 2026: Zepp OS 6 rolls out to the T-Rex 3 Pro, with firmware 6.2.104.6 in the screenshot."}},{"url":"https://www.nextpit.de/smartwatches/amazfit-t-rex-3-pro-48-mm","kind":"spec_database","accessed":"2026-10-15","fields":["launch_price_eur"],"notes":{"launch_price_eur":"UVP 399.90 EUR and market start September 2025, listed for the 48 mm model. The 44 mm page lists the same UVP."}}],"fields_filled":86,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}