{"data":{"slug":"oneplus-watch-4","type":"smartwatch","brand":"OnePlus","name":"Watch 4","aliases":["OnePlus Watch 4","OPWWE261"],"release_date":"2026-04","url":"https://arkivo.dev/smartwatches/oneplus-watch-4","specs":{"series":"Watch","model_numbers":["OPWWE261"],"gtins":null,"announce_date":"2026-04-22","status":"available","predecessor":"oneplus-watch-3","successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":["Midnight Titanium","Evergreen Titanium"],"manufacturer_url":"https://www.oneplus.com/global/oneplus-watch-4","spec_sheet_url":"https://www.oneplus.com/global/oneplus-watch-4/specs","manual_url":null,"eprel_registration_number":null,"warranty_years":null,"segment":"smartwatch","os_updates_years":null,"security_updates_until":null,"case_sizes_mm":[47],"case_shape":"round","case_material":"titanium","case_material_name":"Titanium alloy","back_material":"PA with fiberglass","case_dimensions_mm":{"height_mm":47.4,"width_mm":47.4,"thickness_mm":11},"weight_g":43,"weight_with_strap_g":68,"water_resistance_atm":5,"water_resistance_standard":null,"ip_rating":["IP68","IP69"],"dive_rating":null,"dive_max_depth_m":null,"mil_std_810":true,"mil_std_810_tests":["Altitude","High temperature","Low temperature","Temperature shock","Solar radiation","Rain","Damp heat","Salt spray","Sand and dust","Immersion","Vibration","Shock","Temperature-humidity-altitude","Fluid contamination","Acidic atmosphere","Freezing rain"],"operating_temperature_c":{"min_c":0,"max_c":35},"display_technology":"ltpo_oled","display_technology_name":"LTPO OLED flexible display","screen_size_in":1.5,"resolution":{"width_px":466,"height_px":466},"pixel_density_ppi":310,"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 Crystal","platform":"wear_os","os_at_launch":"Wear OS 6.0","os_skin":"OxygenOS Watch 8","os_latest":null,"compatible_phone_os":["android"],"phone_os_requirement":"Android 9.0 or later with Google Mobile Services 23.45.23 or later and the OHealth app. iOS and Android Go are not supported.","third_party_apps":true,"voice_assistants":["Gemini","Google Assistant"],"chipset":"Qualcomm Snapdragon W5","process_node_nm":4,"cpu_core_count":null,"cpu_clusters":null,"cpu_max_ghz":null,"gpu":null,"low_power_coprocessor":"BES2800","ram_gb":[2],"storage_gb":[32],"heart_rate_sensor":"Optical heart rate sensor","ecg":true,"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":["continuous_heart_rate","heart_rate_alerts","blood_oxygen_app","sleep_tracking","stress_tracking","cycle_tracking"],"fitness_features":["auto_workout_detection","recovery_advice","running_dynamics","running_power","pool_swim"],"sport_profiles_count":null,"dive_modes":null,"external_sensor_types":null,"fall_detection":true,"crash_detection":null,"emergency_sos":null,"emergency_siren_db":null,"live_tracking":null,"led_flashlight":null,"positioning":["GPS (L1 + L5)","BeiDou","Galileo","GLONASS","QZSS"],"dual_frequency_gnss":true,"offline_maps":null,"bluetooth":true,"bluetooth_version":"5.2","wifi":true,"wifi_standard":null,"wifi_bands":["2.4ghz","5ghz"],"cellular":false,"network_technologies":null,"bands_4g":null,"bands_5g":null,"nfc":true,"nfc_payments":true,"payment_services":["Google Wallet"],"uwb":null,"satellite_connectivity":null,"ant_plus":null,"speaker":true,"microphone_count":1,"calls_on_watch":"phone_only","offline_music":true,"button_count":1,"hardware_buttons":["Workout button"],"crown":"rotating","rotating_bezel":null,"gesture_controls":["Raise wrist to wake"],"battery_capacity_mah":646,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":120},{"mode":"heavy_use","with_solar":false,"hours":72},{"mode":"low_power","with_solar":false,"hours":384}],"battery_life_smartwatch_claimed_h":120,"battery_life_always_on_claimed_h":null,"battery_life_gps_claimed_h":null,"solar_charging":null,"charging_method":null,"charging_notes":null,"charging_max_w":7.5,"fast_charging":null,"quick_charge":null,"charge_time_0_80_min":null,"charge_time_0_100_min":75,"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":"Standard 22 mm watchbands","band_material":"fluoroelastomer","band_name":null,"band_sizes":[{"size_label":null,"wrist_min_mm":140,"wrist_max_mm":210}],"fcc_ids":null,"sar_limb_w_kg":null,"sar_eu_limb_w_kg":null,"other_certifications":null,"in_the_box":["Watch body","Charging base","Strap","USB-C charging cable","User Guide & Safety and Warranty Booklet"],"charger_in_box":false},"variants":[],"sources":[{"url":"https://www.oneplus.com/global/oneplus-watch-4/specs","kind":"manufacturer_page","accessed":"2026-10-20","fields":["spec_sheet_url","colors","case_material","case_material_name","back_material","case_dimensions_mm","weight_g","weight_with_strap_g","water_resistance_atm","ip_rating","mil_std_810","operating_temperature_c","display_technology","display_technology_name","resolution","pixel_density_ppi","brightness_peak_nits","display_cover_material","display_cover","platform","os_at_launch","os_skin","voice_assistants","chipset","low_power_coprocessor","ram_gb","storage_gb","heart_rate_sensor","spo2","skin_temperature","accelerometer","gyroscope","barometer","compass","ambient_light_sensor","health_features","fitness_features","fall_detection","positioning","dual_frequency_gnss","bluetooth","bluetooth_version","wifi","wifi_bands","cellular","nfc","nfc_payments","payment_services","battery_capacity_mah","battery_life_claimed","charging_max_w","charge_time_0_100_min","band_material","band_sizes","in_the_box","charger_in_box"],"notes":{"spec_sheet_url":"OnePlus Watch 4 Specs page on the global site. The values sit in the page data, grouped as Design and Material, Size and Weight, Display, Brightness, Chip and Storage, Battery Life, Operating System and others.","colors":"Design and Material: Midnight Titanium with a Fluororubber strap and Evergreen Titanium with a Mix-Fluororubber strap.","case_material":"Design and Material, Case: Titanium alloy. The Overview calls it an all-titanium watch body.","case_material_name":"Design and Material, Case: Titanium alloy.","back_material":"Design and Material, Bottom case: PA with fiberglass.","case_dimensions_mm":"Size and Weight, Dimensions: 47.4 x 47.4 x 11.0 mm. The page does not say whether the sensor area is included. The Overview text calls the 11 mm a diameter, which is the thickness.","weight_g":"Size and Weight: main part about 43 g without strap.","weight_with_strap_g":"Size and Weight: the whole machine is about 68 g with wrist strap.","water_resistance_atm":"Durability: 5ATM, IP69, IP68.","ip_rating":"Durability: 5ATM, IP69, IP68. Overview footnote 4: IP68 and IP69 under GB/T 4208-2017, tested at 1.5 m for 30 minutes and with high-temperature, high-pressure water jets. Not a rating for saltwater use or beach use.","mil_std_810":"Durability: Military-grade certification MIL-STD-810H. Overview footnote 3: tested and certified for 16 items.","operating_temperature_c":"Durability: the product can operate normally within an ambient temperature range of 0 to 35 degrees, at 5 to 95 percent relative humidity without condensation. Military test extremes and charging limits are separate.","display_technology":"Display, Screen: LTPO OLED flexible display.","resolution":"Display, Resolution: 466 x 466 pixels.","pixel_density_ppi":"Display, PPI: 310 PPI. One reviewer prints 439 ppi, which does not fit 466 pixels on a 1.5 inch display.","brightness_peak_nits":"Brightness: default maximum 600 nits typical, 1500 nits typical when activated in strong sunlight, and a peak of 3000 nits only in the official self-developed sports mode in strong sunlight. The stored 3000 nits is that conditional peak, not a full-screen or default figure.","display_cover_material":"Display, Cover glass: Sapphire Crystal.","platform":"Operating System: Android/Wear OS version Wear OS 6.0. One database says Wear OS 7.0, which the maker page does not.","os_at_launch":"Operating System: Wear OS 6.0 with the OxygenOS Watch 8 watch version.","os_skin":"Operating System, Watch version: OxygenOS Watch 8.","voice_assistants":"Voice assistant: Gemini/Google Assistant.","chipset":"Chip and Storage, Processor: Qualcomm Snapdragon W5 Processor and BES 2800. The Overview names a Dual-Engine Architecture.","low_power_coprocessor":"Chip and Storage: BES 2800 next to the Snapdragon W5. The Overview calls the pair a dual-engine architecture.","ram_gb":"Chip and Storage, Storage: RAM 2GB.","storage_gb":"Chip and Storage, Storage: ROM 32GB. Total storage, user space is not stated.","heart_rate_sensor":"Sensor: optical heart rate sensor. The channel count is not stated.","spo2":"Sensor: optical blood oxygen sensor. Health and Workout: manual SpO2, all-day SpO2 tracking and low SpO2 indicators.","skin_temperature":"Sensor: wrist temperature sensor. Health and Workout: wrist temperature monitoring supported.","barometer":"Sensor: air pressure sensor.","compass":"Sensor: geomagnetic sensor.","health_features":"Health and Workout: heart rate monitoring with high and low alerts, resting heart rate, sleep quality assessment, manual and all-day SpO2 and Cycle Tracker. Stress tracking is from the review sources. The 60s Wellness Overview and the ECG function depend on local certification and are not stored as an ECG app.","fitness_features":"Health and Workout: 6 types of automatic recognition (running, walk, cycling, swimming, rowing machine, elliptical machine), recovery time, indoor swimming as a professional mode, and running footnote 11 naming vertical ratio and running power data. Open water swimming is announced for a later OTA update and is not stored. Aerobic training effect and cardiopulmonary capacity are listed but are not stored as VO2 max.","fall_detection":"Health and Workout, Emergency Rescue: Fall Detection. The page does not say who is notified.","positioning":"GNSS: Dual band L1+L5: Beidou, GPS, Galileo, GLONASS, QZSS. The band applies to the group as printed.","dual_frequency_gnss":"GNSS: Dual band L1+L5.","bluetooth_version":"Bluetooth: Bluetooth 5.2.","wifi_bands":"Wi-Fi: WLAN 2.4G/5G. The standard is not stated.","cellular":"eSIM: Unsupported. No LTE model is listed.","nfc":"NFC: Supported.","payment_services":"Mobile Payment: Google Wallet.","battery_capacity_mah":"Battery Life, Battery capacity: 646 mAh typical and 632 mAh rated. The typical figure is stored because it is the number used in the maker's and reviewers' headline.","battery_life_claimed":"Battery Life: 5 days in smart mode, 3 days for heavy use and 16 days in power saver mode. Days are stored as hours. Overview footnote 6 says the 5 days use the official watch face, AOD off, default health monitoring, 220 wrist raises, 130 messages, 20 minutes of screen use, 30 minutes of outdoor running and 15 minutes of music per day. Footnote 7 says the 16 days use all-day Bluetooth, 90 minutes of outdoor workouts a week, 180 wrist raises and 180 messages a day, and 6 hours of sleep detection.","charging_max_w":"Battery Life, Max charging power: about 7.5 W. Stored as a maker figure for the watch.","charge_time_0_100_min":"Battery Life, Max charging time: about 75 minutes. The page does not name the charger or the start level.","band_material":"Design and Material, Strap: Fluororubber on Midnight Titanium and mixed fluororubber on Evergreen Titanium. Fluororubber is stored as fluoroelastomer.","band_sizes":"Design and Material, Wrist size: 140 mm-210 mm. This is the range of the supplied strap.","in_the_box":"In The Box: watch body, charging base, strap, USB-C charging cable, user guide and safety and warranty booklet.","charger_in_box":"In The Box lists a charging base and a USB-C charging cable and no power adapter."}},{"url":"https://www.oneplus.com/global/oneplus-watch-4","kind":"manufacturer_page","accessed":"2026-10-20","fields":["manufacturer_url","series","segment","ecg","touchscreen","always_on_display","compatible_phone_os","phone_os_requirement","mil_std_810","mil_std_810_tests","fitness_features","battery_life_claimed"],"notes":{"manufacturer_url":"OnePlus Watch 4 overview page on the global site.","series":"OnePlus names the product OnePlus Watch 4, in the OnePlus Watch line.","segment":"The Overview presents a general smartwatch with sports and wellness modes. It has no outdoor, dive or sport-only positioning.","ecg":"Disclaimer 8: the activation time of the ECG function in the 60s Wellness Overview depends on the progress of local ECG function certification and registration. The sensor list on the Specs page names no separate electrical sensor.","touchscreen":"Overview: wet-hand touch control.","always_on_display":"Disclaimers 5 and 6 treat AOD as a setting that is off in the 5 day smart mode figure.","compatible_phone_os":"Disclaimer 5: pairing with the OHealth app, Android 9.0 and above with GMS 23.45.23 and above. iOS and Android (Go edition) are not supported.","phone_os_requirement":"Disclaimer 5, shortened.","mil_std_810":"Overview: built to MIL-STD-810H military-grade standards.","mil_std_810_tests":"Overview disclaimer 3 lists 16 items: altitude, high temperature, low temperature, temperature shock, solar radiation, rain, damp heat, salt spray, sand dust, immersion, vibration, shock, temperature-humidity-altitude, fluid contamination, acidic atmosphere and freezing rain.","fitness_features":"Disclaimer 10: professional sport mode for 11 sports including running, skiing, tennis, badminton, indoor swimming, jump rope, hiking, walking, cycling, elliptical and rowing. Disclaimer 11: running data such as vertical ratio and running power are not available in indoor runs, which means they exist for outdoor runs. A pacer function and lactate threshold monitoring are named as advanced running features.","battery_life_claimed":"Overview: 5 days in smart mode and 16 days in power-saver mode. Disclaimer 6 gives the 5 day usage case with AOD off. Disclaimer 7 gives the 16 day usage case."}},{"url":"https://www.gsmarena.com/oneplus_watch_4-14622.php","kind":"spec_database","accessed":"2026-10-20","fields":["screen_size_in","process_node_nm","announce_date","status","speaker"],"notes":{"screen_size_in":"Display, Size: 1.5 inches. This fits 466 pixels at 310 ppi.","process_node_nm":"Platform, Chipset: Qualcomm Snapdragon W5 Gen 1 (4 nm). The BES2800 coprocessor is not this node.","announce_date":"Launch: announced 2026, April 22.","status":"Launch: Available. Released 2026, April.","speaker":"Sound, Loudspeaker: Yes. Smartwatch review sources confirm a speaker."}},{"url":"https://gadgetsandwearables.com/2026/04/22/oneplus-watch-4-buy/","kind":"press","accessed":"2026-10-20","fields":["announce_date","release_date","case_shape"],"notes":{"announce_date":"Gadgets & Wearables, 22 April 2026: the watch is official and already listed on the OnePlus website. No price was given.","release_date":"Same article, 22 April 2026. GSMArena gives April 2026 as the release month. The Gadgets & Wearables spec table gives 28 April 2026.","case_shape":"The article describes a premium watch with a round screen."}},{"url":"https://gadgetsandwearables.com/technical-specs/oneplus-watch-4/","kind":"spec_database","accessed":"2026-10-20","fields":["release_date"],"notes":{"release_date":"Spec table: released April 2026, release date 2026-04-28."}},{"url":"https://gadgetsandwearables.com/2026/04/16/oneplus-watch-4/","kind":"press","accessed":"2026-10-20","fields":["model_numbers"],"notes":{"model_numbers":"Leaked final retail box with the product name and model number OPWWE261, matching earlier certification listings. The importer data on the box names the UK, the EU and Poland. OnePlus does not list the model number on its own pages. The OnePlus UK PSTI page lists the Watch Lite as OPWWE262 and has no Watch 4 row."}},{"url":"https://www.smartzone.de/oneplus-watch-4-im-test/","kind":"review_site","accessed":"2026-10-20","fields":["case_sizes_mm","crown","button_count","hardware_buttons","calls_on_watch","offline_music","band_width_mm","band_compatibility","gesture_controls","third_party_apps","health_features","ecg"],"notes":{"ecg":"Review: ECG is listed as a measurement and is enabled in Germany. The review sample was tested in Germany. Another review says the ECG is part of the 60 second check and is not an independent app.","case_sizes_mm":"Review: only the 47 mm variant is on sale. The maker prints 47.4 mm and does not name a marketed size.","crown":"Review: rotating and pressable knob plus an extra workout button. The Spanish review also describes a metal wheel that turns and presses. Haptic feedback is not stated.","button_count":"Review: the rotating knob is not counted. One extra Workout button. The Spanish review describes an upper wheel and a lower flat button.","hardware_buttons":"Review: the additional Workout button. The Spanish review says the lower button opens the sport list.","calls_on_watch":"Review: you can only make calls when the phone is nearby. There is no eSIM.","offline_music":"Review: music storage on the 32 GB and native offline playback with Spotify from the Play Store.","band_width_mm":"Review: the supplied strap uses a standard 22 mm attachment, so it is easy to change.","band_compatibility":"Review: standard 22 mm attachment.","gesture_controls":"Review: the display wakes when the wrist is turned.","third_party_apps":"Review: Wear OS gives access to the Google Play Store.","health_features":"Review lists pulse, SpO2, skin temperature, sleep, stress and altitude as measured values. ECG is enabled in Germany."}},{"url":"https://www.profesionalreview.com/2026/06/01/oneplus-watch-4-review/amp/","kind":"review_site","accessed":"2026-10-20","fields":["microphone_count","crown","button_count"],"notes":{"microphone_count":"Review of the underside: a microphone on the right side and a speaker opening on the left side, with four charging contacts. The review names one microphone.","crown":"Review: the upper right button is a metal wheel that turns and presses.","button_count":"Review: two controls on the right side. An upper wheel and a lower flat button."}},{"url":"https://basic-tutorials.com/reviews/mobile-device-reviews/oneplus-watch-4-review/","kind":"review_site","accessed":"2026-10-20","fields":["fitness_features","third_party_apps"],"notes":{"fitness_features":"Review: the professional running mode gives step frequency, vertical oscillation, ground contact time and cadence. It also lists 11 professional sports modes and a pace assistant.","third_party_apps":"Review: the Play Store with watch apps is available."}},{"url":"https://www.notebookcheck.net/OnePlus-Watch-4-New-Wear-OS-smartwatch-detailed-before-global-release.1275026.0.html","kind":"review_site","accessed":"2026-10-23","fields":["predecessor"],"notes":{"predecessor":"Notebookcheck's preview says the OnePlus Watch 4 is replacing the OnePlus Watch 3."}}],"fields_filled":85,"updated":"2026-10-23"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}