{"data":{"slug":"soundcore-aerofit-2","type":"earbuds","brand":"soundcore","name":"AeroFit 2","aliases":["soundcore AeroFit 2","Anker Soundcore AeroFit 2","AeroFit2","A3874"],"release_date":"2024-10","url":"https://arkivo.dev/earbuds/soundcore-aerofit-2","specs":{"series":"AeroFit","model_numbers":["A3874","A3874Z11","A3874Z21","A3874Z61","A3874Z31","A3874Z81","A3874G11","A3874G21","A3874G61","A3874G31"],"gtins":["194644036393","194644210137","194644210144","194644210151","194644262334","194644284701","194644284992","194644284961","194644284985"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":99.99,"launch_price_eur":null,"markets":["US","EU"],"colors":["Midnight Black","Pearl White","Minty Green","Midnight Blue","Brown","Black","Beige","Navy Blue"],"manufacturer_url":"https://us.soundcore.com/products/a3874-aerofit-2-open-earbuds","spec_sheet_url":null,"manual_url":"https://lp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdf","eprel_registration_number":null,"warranty_years":null,"segment":"sport","form_factor":"open_ear","bud_shape":"ear_hook","single_bud_use":"either","rgb_lighting":null,"drivers":[{"type":"dynamic","role":null,"size_mm":null,"count":1}],"driver_type":"dynamic","driver_size_mm":null,"drivers_per_side":1,"driver_diaphragm_material":null,"frequency_response_hz":{"min_hz":20,"max_hz":40000},"impedance_ohm":16,"sensitivity_db":null,"sensitivity_reference":null,"max_sample_rate_khz":null,"max_bit_depth_bits":null,"adaptive_eq":null,"sound_personalization":null,"onboard_eq":null,"eq_bands":8,"eq_presets":null,"volume_limit_db":null,"virtual_surround":["3D Surround Sound"],"head_tracking":null,"anc":false,"anc_type":null,"anc_mic_count":null,"anc_adaptive":null,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":null,"transparency_adjustable":null,"adaptive_audio_mode":null,"conversation_detection":null,"wind_noise_reduction":null,"measured_frequency_response_notes":"The bass rolls off steeply below about 125 Hz. Between 1.6 kHz and 6.3 kHz the response sits 7 to 16 dB above the SoundGuys preference curve.","measured_bass_amount_db":null,"measured_treble_amount_db":null,"measured_target_deviation_db":null,"measured_response_consistency_db":null,"measured_thd_pct":null,"measured_leakage_db_spl":null,"measured_noise_isolation":null,"measured_attenuation_overall_db":null,"measured_attenuation_passive_db":null,"measured_microphone_notes":"Clear voices in ideal conditions. Not especially good at rejecting background noise in the simulated office test. Voices stay audible in the windy test.","measured_microphone_lfe_hz":null,"measured_microphone_hfe_hz":null,"measured_microphone_noise_handling_db":null,"measured_latency":null,"measured_latency_bluetooth_ms":null,"measured_latency_2_4ghz_ms":null,"measured_latency_game_mode_ms":null,"measured_battery_life":null,"measured_battery_life_h":null,"measured_battery_life_with_case_h":null,"measured_charge_time_min":null,"measured_weight_g":null,"microphone_count":4,"microphone_count_total":null,"voice_pickup_sensor":null,"microphone_noise_reduction":"ai","voice_call_bandwidth":null,"mute_button":null,"sidetone":null,"chipset":null,"connection_types":["bluetooth"],"bluetooth_version":"5.4","bluetooth_codecs":["SBC","AAC","LDAC"],"bluetooth_profiles":null,"bluetooth_le_audio":null,"auracast":null,"multipoint":true,"multipoint_device_count":2,"multipoint_ldac":false,"paired_device_memory":null,"automatic_device_switching":null,"fast_pair":null,"audio_sharing":null,"wireless_range_m":null,"wireless_receiver":null,"receiver_connector":null,"simultaneous_2_4ghz_bluetooth":null,"low_latency_mode":true,"latency_claimed":null,"latency_claimed_min_ms":null,"compatible_platforms":null,"platform_connections":null,"feature_requirements":null,"official_license":null,"battery_capacity_mah":null,"battery_user_replaceable":null,"battery_life_claimed":[{"mode":"anc_off","codec":null,"spatial_audio":null,"with_case":false,"hours":10},{"mode":"anc_off","codec":null,"spatial_audio":null,"with_case":true,"hours":42}],"battery_life_max_h":10,"battery_life_anc_on_h":null,"battery_life_anc_off_h":10,"battery_life_with_case_h":42,"battery_life_with_case_anc_on_h":null,"talk_time_h":null,"charge_time_0_100_min":60,"charging_notes":"Earbuds charge within 1 hour. The case and earbuds together take about 2.2 hours by USB-C cable and about 2.6 hours on a wireless charger. Input is 5 V 1.2 A.","quick_charge_min":10,"quick_charge_playback_h":4,"case_battery_capacity_mah":750,"case_battery_user_replaceable":null,"charging_port":"usb_c","case_charge_time_min":102,"wireless_charging":true,"wireless_charging_standards":null,"wireless_charging_max_w":null,"case_speaker":null,"case_screen":null,"case_audio_transmitter":null,"control_types":["touch"],"volume_control":"touch","gesture_controls":["Right double tap: play or pause","Left double tap: next track","Double tap during a call: answer","Hold for 2 seconds during a call: reject or end"],"customizable_controls":true,"voice_assistant":null,"wear_detection":false,"sensors":null,"heart_rate_sensor":null,"skin_temperature":null,"hearing_aid_feature":null,"medical_clearances":null,"hearing_test":null,"loud_sound_reduction":null,"health_features":null,"ear_tip_sizes":null,"ear_tip_materials":null,"stabilizers":["ear_hook"],"fit_test":null,"ip_rating":["IP55"],"case_ip_rating":null,"water_resistance_depth_m":null,"companion_app":"soundcore","companion_app_platforms":["android","ios"],"firmware_updatable":true,"find_my_networks":null,"precision_finding":null,"live_translation":true,"weight_g":null,"dimensions_mm":null,"case_weight_g":65,"case_dimensions_mm":null,"hi_res_audio":null,"communication_certifications":null,"fcc_ids":null,"other_certifications":null,"in_the_box":["Earbuds","Charging case","USB-C charging cable","Quick guide with a QR code for the app"],"cables_included":[{"type":"USB-C charging cable","length_m":null,"count":1}]},"variants":[{"model_number":"A3874Z11","gtin":"194644036393","colors":["Midnight Black"],"markets":["US"]},{"model_number":"A3874Z21","gtin":"194644210137","colors":["Pearl White"],"markets":["US"]},{"model_number":"A3874Z61","gtin":"194644210144","colors":["Minty Green"],"markets":["US"]},{"model_number":"A3874Z31","gtin":"194644210151","colors":["Midnight Blue"],"markets":["US"]},{"model_number":"A3874Z81","gtin":"194644262334","colors":["Brown"],"markets":["US"]},{"model_number":"A3874G11","gtin":"194644284701","colors":["Black"],"markets":["EU"]},{"model_number":"A3874G21","gtin":"194644284992","colors":["Beige"],"markets":["EU"]},{"model_number":"A3874G61","gtin":"194644284961","colors":["Minty Green"],"markets":["EU"]},{"model_number":"A3874G31","gtin":"194644284985","colors":["Navy Blue"],"markets":["EU"]}],"sources":[{"url":"https://us.soundcore.com/products/a3874-aerofit-2-open-earbuds","kind":"manufacturer_page","accessed":"2026-10-13","fields":["manufacturer_url","model_numbers","gtins","colors","variants","markets","form_factor","bud_shape","stabilizers","drivers","bluetooth_codecs","live_translation","wireless_charging","battery_life_claimed"],"notes":{"model_numbers":"Store variants A3874Z11, Z21, Z61, Z31 and Z81. The EU store lists A3874G11, G21, G61 and G31.","gtins":"Variant barcodes from the US store product data and the EU store product data.","colors":"US store colours Midnight Black, Pearl White, Minty Green, Midnight Blue and Brown. EU store colours Black, Beige, Minty Green and Navy Blue. The EU store spells one colour Minity Green.","form_factor":"Open-ear headphones with 4-level adjustable ear hooks.","drivers":"20 mm x 11.5 mm racetrack drivers with BassTurbo acoustics. The driver is rectangular, so no circular diameter is stored.","bluetooth_codecs":"LDAC is named on the maker page. SBC and AAC come from the Anker Japan page.","live_translation":"AI translation for 100 languages in the soundcore app, with the app and firmware updated.","wireless_charging":"Place the case on a wireless charger to recharge.","battery_life_claimed":"Up to 10 hours on a single charge and up to 42 hours with the case. The UK store page states a total of 35 hours with the case."}},{"url":"https://eu.soundcore.com/products/a3874-aerofit-2-open-earbuds.js","kind":"manufacturer_page","accessed":"2026-10-13","fields":["markets"],"notes":{"markets":"EU store product data with SKUs A3874G11, G21, G61 and G31."}},{"url":"https://www.ankerjapan.com/products/a3874","kind":"manufacturer_page","accessed":"2026-10-13","fields":["bluetooth_version","bluetooth_codecs","multipoint","multipoint_device_count","microphone_count","microphone_noise_reduction","quick_charge_min","quick_charge_playback_h","control_types","ip_rating","anc","battery_life_claimed","stabilizers","virtual_surround","drivers","series","connection_types","driver_type"],"notes":{"bluetooth_codecs":"Comparison table lists SBC, AAC and LDAC.","multipoint_device_count":"Connects to 2 devices at the same time.","microphone_count":"Call noise reduction listed as 4 mic and AI.","quick_charge_min":"10 minutes of charging gives up to 4 hours of playback.","anc":"Noise cancelling is not available on the AeroFit 2.","battery_life_claimed":"10 hours for the earbuds alone and 42 hours with the charging case.","stabilizers":"Ear hook angle adjustable in 4 steps.","virtual_surround":"Supports 3D audio.","drivers":"Dynamic driver, 20 mm x 11.5 mm.","series":"Listed with the Soundcore AeroFit series.","connection_types":"Bluetooth 5.4 only.","driver_type":"Dynamic driver in the comparison table."}},{"url":"https://lp.ankerjapan.com/hubfs/aoos/manual/A3874Manual.pdf","kind":"manual","accessed":"2026-10-13","fields":["manual_url","case_battery_capacity_mah","charge_time_0_100_min","case_charge_time_min","charging_notes","frequency_response_hz","impedance_ohm","ip_rating","bluetooth_version","single_bud_use","firmware_updatable","companion_app","companion_app_platforms","gesture_controls","customizable_controls","charging_port"],"notes":{"case_battery_capacity_mah":"Specifications page lists battery capacity 750 mAh. This is the charging case battery.","charge_time_0_100_min":"Earbuds charge within 1 hour. Stored as 60 minutes.","case_charge_time_min":"Case charge time about 1.7 hours by USB-C cable. Stored as 102 minutes.","charging_notes":"Case and earbuds about 2.2 hours by cable and 2.6 hours wireless in the French and Danish guides. Input 5 V 1.2 A.","frequency_response_hz":"20 to 20 kHz, and 20 to 40 kHz with LDAC enabled.","single_bud_use":"The guide has a section for single earbud use.","gesture_controls":"Default touch controls in the guide. Other actions are set in the soundcore app.","charging_port":"USB-C charging port on the case."}},{"url":"https://www.soundguys.com/anker-soundcore-aerofit-2-review-126119/","kind":"measurement","accessed":"2026-10-13","fields":["release_date","launch_price_usd","case_weight_g","model_numbers","measured_frequency_response_notes","measured_microphone_notes"],"notes":{"release_date":"Spec table lists the product release date as October 2024.","launch_price_usd":"Spec table lists a price of $99.99.","case_weight_g":"Spec table lists case weight 65 g. Digital Trends also lists 65 g for the charging case.","measured_frequency_response_notes":"Measured against the SoundGuys preference curve in the SoundGuys lab, from the product page data points.","measured_microphone_notes":"Demo recordings in ideal, office, street, windy and reverberant conditions. Firmware 1.42 and app 3.7.3."}},{"url":"https://www.soundguys.com/product/soundcore-aerofit-2/","kind":"spec_database","accessed":"2026-10-13","fields":["status","segment","multipoint_device_count","wear_detection","companion_app_platforms","microphone_count","measured_frequency_response_notes"],"notes":{"status":"Listed with a current Amazon US price.","segment":"Catalogued under sports and fitness headphones.","wear_detection":"Auto pause is listed as No.","measured_frequency_response_notes":"Lab data points on the product page, SoundGuys preference curve."}},{"url":"https://www.digitaltrends.com/home-theater/soundcore-aerofit-2-review/","kind":"review_site","accessed":"2026-10-13","fields":["launch_price_usd","eq_bands","virtual_surround","multipoint_ldac","customizable_controls","volume_control","case_weight_g"],"notes":{"launch_price_usd":"MSRP $100.","eq_bands":"Optional 8-band equalizer in the app. The French guide also names eight sliders on the custom equalizer page.","virtual_surround":"3D Surround Sound setting in the app.","multipoint_ldac":"Enabling LDAC gives up multipoint connectivity.","volume_control":"Volume gestures can be assigned in the app. They are not set by default.","case_weight_g":"Weight listed as 65 g for the charging case."}},{"url":"https://mezha.ua/en/reviews/oglyad-anker-soundcore-aerofit-2-301914/","kind":"review_site","accessed":"2026-10-13","fields":["low_latency_mode","in_the_box","cables_included"],"notes":{"low_latency_mode":"The app main screen offers a Gaming Mode described as a low latency mode.","in_the_box":"The package has a charging case with the earbuds, a USB Type-C charging cable and a short instruction sheet with a QR code for the app.","cables_included":"USB Type-C charging cable. The length is not stated."}}],"fields_filled":58,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}