{"data":{"slug":"bose-quietcomfort-ultra-earbuds-2nd-gen","type":"earbuds","brand":"Bose","name":"QuietComfort Ultra Earbuds (2nd Gen)","aliases":["QC Ultra Earbuds 2","QCUE2","QuietComfort Ultra Earbuds 2nd Gen"],"release_date":"2025-07","url":"https://arkivo.dev/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen","specs":{"series":"QuietComfort","model_numbers":["444965","408L","408R","896637-0010","896637-0030"],"gtins":["017817861120","017817861151"],"announce_date":"2025-06-12","status":"available","predecessor":"bose-quietcomfort-ultra-earbuds","successor":null,"launch_price_usd":299,"launch_price_eur":null,"markets":["US","GB","DE","AU"],"colors":["Black","White Smoke","Deep Plum","Midnight Violet","Desert Gold"],"manufacturer_url":"https://www.bose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.html","spec_sheet_url":"https://support.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specifications?language=en_US","manual_url":"https://assets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdf","eprel_registration_number":null,"warranty_years":1,"segment":null,"form_factor":"in_ear","bud_shape":"stem","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":null,"impedance_ohm":null,"sensitivity_db":null,"sensitivity_reference":null,"max_sample_rate_khz":null,"max_bit_depth_bits":null,"adaptive_eq":null,"sound_personalization":true,"onboard_eq":null,"eq_bands":3,"eq_presets":["Bass Boost","Bass Reducer","Treble Boost","Treble Reducer"],"volume_limit_db":null,"virtual_surround":["Bose Immersive Audio"],"head_tracking":true,"anc":true,"anc_type":"hybrid","anc_mic_count":null,"anc_adaptive":true,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":true,"transparency_adjustable":true,"adaptive_audio_mode":true,"conversation_detection":null,"wind_noise_reduction":true,"measured_frequency_response_notes":"Warm sound signature","measured_bass_amount_db":5,"measured_treble_amount_db":0,"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":"Speech sounds clean and natural. Higher voices can lack airiness. Background-noise rejection is adequate but sustained loud sounds such as an arriving subway remain difficult.","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":[{"anc":true,"codec":null,"hours":5.57},{"anc":null,"codec":null,"hours":6.5}],"measured_battery_life_h":6.5,"measured_battery_life_with_case_h":null,"measured_charge_time_min":null,"measured_weight_g":7.09,"microphone_count":8,"microphone_count_total":8,"voice_pickup_sensor":true,"microphone_noise_reduction":"ai","voice_call_bandwidth":null,"mute_button":true,"sidetone":true,"chipset":null,"connection_types":["bluetooth"],"bluetooth_version":"5.3","bluetooth_codecs":["SBC","AAC","aptX Adaptive"],"bluetooth_profiles":["A2DP","HFP"],"bluetooth_le_audio":false,"auracast":null,"multipoint":true,"multipoint_device_count":2,"multipoint_ldac":null,"paired_device_memory":6,"automatic_device_switching":null,"fast_pair":["google_fast_pair"],"audio_sharing":null,"wireless_range_m":9,"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":["android","ios"],"platform_connections":null,"feature_requirements":[{"feature":"Fast Pair","requirement":"Android device running Android 6.0 or higher"},{"feature":"Snapdragon Sound","requirement":"Snapdragon Sound-certified device, such as a compatible Android device"},{"feature":"SimpleSync","requirement":"Bose Smart Speaker or Bose Smart Soundbar"}],"official_license":null,"battery_capacity_mah":null,"battery_user_replaceable":null,"battery_life_claimed":[{"mode":"anc_on","codec":null,"spatial_audio":false,"with_case":false,"hours":6},{"mode":"anc_on","codec":null,"spatial_audio":true,"with_case":false,"hours":4},{"mode":"call","codec":null,"spatial_audio":null,"with_case":false,"hours":4}],"battery_life_max_h":6,"battery_life_anc_on_h":6,"battery_life_anc_off_h":null,"battery_life_with_case_h":null,"battery_life_with_case_anc_on_h":null,"talk_time_h":4,"charge_time_0_100_min":120,"charging_notes":null,"quick_charge_min":20,"quick_charge_playback_h":2,"case_battery_capacity_mah":null,"case_battery_user_replaceable":null,"charging_port":"usb_c","case_charge_time_min":180,"wireless_charging":true,"wireless_charging_standards":["qi"],"wireless_charging_max_w":null,"case_speaker":null,"case_screen":null,"case_audio_transmitter":null,"control_types":["touch","swipe"],"volume_control":"swipe","gesture_controls":["Tap","Double-tap","Triple-tap","Touch and hold","Swipe up","Swipe down"],"customizable_controls":true,"voice_assistant":["Siri","Google Assistant"],"wear_detection":true,"sensors":null,"heart_rate_sensor":null,"skin_temperature":null,"hearing_aid_feature":null,"medical_clearances":null,"hearing_test":null,"loud_sound_reduction":true,"health_features":null,"ear_tip_sizes":["S","M","L"],"ear_tip_materials":["silicone"],"stabilizers":["stability_bands"],"fit_test":true,"ip_rating":["IPX4"],"case_ip_rating":null,"water_resistance_depth_m":null,"companion_app":"Bose app","companion_app_platforms":["android","ios"],"firmware_updatable":true,"find_my_networks":null,"precision_finding":null,"live_translation":null,"weight_g":null,"dimensions_mm":{"width_mm":12.4,"height_mm":30,"depth_mm":24.9},"case_weight_g":60,"case_dimensions_mm":{"width_mm":59.7,"height_mm":66,"depth_mm":26.9},"hi_res_audio":null,"communication_certifications":null,"fcc_ids":["A94408L","A94408R"],"other_certifications":["Snapdragon Sound"],"in_the_box":["2 Bose QuietComfort Ultra Earbuds (2nd Gen)","3 pairs of eartips (S, M, L)","3 pairs of stability bands (1, 2, 3)","Wireless charging case","12\" USB-C® (A to C) cable","Safety sheet"],"cables_included":[{"type":"USB-C (A to C)","length_m":0.3048,"count":1}]},"variants":[{"model_number":"896637-0010","gtins":["017817861120"],"colors":["Black"],"markets":["AU"]},{"model_number":"896637-0030","gtins":["017817861151"],"colors":["Deep Plum"],"markets":["AU"]}],"sources":[{"url":"https://www.bose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.html","kind":"manufacturer_page","accessed":"2026-10-07","fields":["manufacturer_url","series","connection_types","status","markets","colors","warranty_years","form_factor","single_bud_use","virtual_surround","anc","anc_adaptive","transparency_mode","loud_sound_reduction","microphone_noise_reduction","bluetooth_version","bluetooth_profiles","charge_time_0_100_min","quick_charge_min","ip_rating","ear_tip_sizes","ear_tip_materials","stabilizers","fit_test","companion_app","companion_app_platforms","in_the_box","cables_included","anc_type","compatible_platforms","charging_port","sound_personalization","wind_noise_reduction"],"notes":{"warranty_years":"US: one-year Bose limited warranty","colors":"Five colour swatches on the US page, Deep Plum selected","anc_adaptive":"FAQ: ActiveSense adapts cancellation in Aware Mode. CustomTune calibrates audio and cancellation at power-on.","loud_sound_reduction":"ActiveSense applies noise cancellation to very loud sudden sounds in Aware Mode","microphone_noise_reduction":"AI-based background noise suppression (SpeechClarity)","ear_tip_materials":"Silicone eartips","stabilizers":"Stability bands in sizes 1, 2, 3","fit_test":"Earbud Seal Test in the Bose app","single_bud_use":"Either the left or right earbud can be used alone","cables_included":"12 inch cable, converted exactly to 0.3048 m","anc_type":"ANC FAQ: cancellation uses microphones both inside and outside the earbuds.","series":"Exact product heading establishes the QuietComfort family.","manufacturer_url":"Exact product heading identifies the maker product URL.","status":"Selectable color, USD price and Add to Cart establish available status.","form_factor":"Technical Specifications: Headphone Fit In-ear.","bluetooth_profiles":"Technical Specifications: A2DP Bluetooth Audio Streaming and HFP Bluetooth.","bluetooth_version":"Technical Specifications: Bluetooth 5.3.","connection_types":"Technical Specifications list Bluetooth 5.3 and Bluetooth audio profiles.","ip_rating":"Technical Specifications: Water Resistant IPX4.","virtual_surround":"Exact-model FAQ listening modes include Immersion (full noise cancellation with Immersive Audio).","anc":"Exact-model FAQ listening modes include Quiet (full noise cancellation).","transparency_mode":"Exact-model FAQ listening modes include Aware (full audio transparency).","compatible_platforms":"Support page for the exact product: Bose app available on Google Play and the Apple Store, so Android and iOS are supported.","companion_app_platforms":"Support page for the exact product: Bose app available on Google Play and the Apple Store.","companion_app":"Support page for the exact product names the Bose app.","charging_port":"Technical specifications: Charging Interface USB C PORT.","ear_tip_sizes":"What's in the box, exact 2nd Gen: three eartip pairs S/M/L.","in_the_box":"What's in the box, exact 2nd Gen: 2 buds, three eartip pairs S/M/L, three stability bands 1/2/3, wireless case, 12 inch USB-A to C cable, safety sheet.","sound_personalization":"CustomTune FAQ describes an acoustic calibration tone at each power-on while worn. Reflected sound measures the unique ear and ear canal shape and adjusts playback. An ear-acoustic scan, not a hearing assessment.","wind_noise_reduction":"SpeechClarity FAQ explicitly filters surroundings and wind for phone and video calls. AI voice-pickup processing, not a dedicated user-selectable ANC wind mode."}},{"url":"https://www.bose.de/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.html","kind":"manufacturer_page","accessed":"2026-09-30","fields":["markets","dimensions_mm","case_dimensions_mm","wireless_range_m"],"notes":{"dimensions_mm":"Einzelner Earbud 3.0 cm H x 1.24 cm W x 2.49 cm D","case_dimensions_mm":"Etui 6.6 cm H x 5.97 cm W x 2.69 cm D","wireless_range_m":"Bluetooth-Reichweite 9 m"}},{"url":"https://www.bose.co.uk/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.html","kind":"manufacturer_page","accessed":"2026-09-30","fields":["markets","other_certifications"],"notes":{"markets":"Listed at £299.95","other_certifications":"Wireless Connectivity lists Snapdragon Sound"}},{"url":"https://assets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdf","kind":"manual","accessed":"2026-09-30","fields":["manual_url","fcc_ids","head_tracking","eq_bands","mute_button","sidetone","bluetooth_codecs","multipoint_device_count","paired_device_memory","fast_pair","wireless_range_m","feature_requirements","charge_time_0_100_min","case_charge_time_min","quick_charge_min","quick_charge_playback_h","wireless_charging","control_types","volume_control","gesture_controls","customizable_controls","wear_detection","other_certifications","adaptive_audio_mode","model_numbers","multipoint","firmware_updatable"],"notes":{"fcc_ids":"FCC ID: A94408L / A94408R, IC: 3232A-408L / 3232A-408R","head_tracking":"Immersive Audio Motion and Still settings: Still keeps the virtual speakers in place when you move your head","eq_bands":"Battery test footnotes use a 3-band EQ set to zero","mute_button":"Tap an earbud to mute or unmute during a call","sidetone":"Self voice during calls, adjustable in the app","bluetooth_codecs":"aptX Adaptive with Snapdragon Sound devices","paired_device_memory":"Up to six devices in the device list, two active at once","charge_time_0_100_min":"Earbuds up to 2 hours","case_charge_time_min":"Charging case up to 3 hours","quick_charge_min":"20-minute charge gives up to 2 hours","other_certifications":"Features Snapdragon Sound technology","adaptive_audio_mode":"Aware Mode/ActiveSense automatically adjusts cancellation to loud external noise while allowing surroundings.","model_numbers":"Manual regulatory section: charging case model 444965, earbud models 408L and 408R.","manual_url":"Owner guide cover identifies QUIETCOMFORT ULTRA EARBUDS (2ND GEN). (PDF page 1)","multipoint":"Bluetooth connections: actively connected up to two devices at a time, explicitly multi-point. (PDF page 44)","multipoint_device_count":"Bluetooth connections: actively connected up to two devices at a time, explicitly multi-point. (PDF page 44)","fast_pair":"Android devices: Connect using Fast Pair via Google Play Services. (PDF page 48)","feature_requirements":"Fast Pair Android 6.0 or higher. (PDF page 48)","quick_charge_playback_h":"Charging Time notes: 20 minute charge powers earbuds up to 2 h. Full ANC, Quiet Mode, Immersive Audio off, 75 dB SPL footnote. (PDF page 41)","wireless_charging":"Manual page 38: Charge wirelessly using a compatible third-party wireless charger.","control_types":"Touch Control: tap and swipe. (PDF page 24)","volume_control":"Touch Control: swipe up or down for volume. (PDF page 24)","gesture_controls":"Touch Control: tap and swipe, swipe up or down for volume. (PDF page 24)","customizable_controls":"Change or disable shortcut, assign different shortcuts to each bud in the Bose app. (PDF page 28)","wear_detection":"In-ear Detection automatic play/pause on removing or reinserting. (PDF page 29)","firmware_updatable":"Bose app setup enables future updates and new features. (PDF page 13)"}},{"url":"https://www.soundguys.com/bose-quietcomfort-ultra-earbuds-2nd-gen-review-140812/","kind":"review_site","accessed":"2026-09-30","fields":["release_date","bluetooth_codecs","wireless_charging_standards","voice_pickup_sensor","measured_battery_life"],"notes":{"release_date":"Product release date July 1, 2025","bluetooth_codecs":"SBC, AAC and aptX Adaptive family","wireless_charging_standards":"Any Qi-compatible charging pad","voice_pickup_sensor":"Bone conduction pickup enabled by the August 2025 firmware update","measured_battery_life":"5.57 h row: 5 h 34 min (334 min), ANC on, music peaking at 75 dB, firmware 4.9.14"}},{"url":"https://www.soundguys.com/how-good-is-the-bose-quietcomfort-ultra-earbuds-2nd-gens-battery-life-141004/","kind":"measurement","accessed":"2026-09-30","fields":["measured_battery_life"],"notes":{"measured_battery_life":"5 h 34 min with ANC enabled, sample track peaking at 75 dB"}},{"url":"https://www.rtings.com/headphones/reviews/bose/quietcomfort-ultra-earbuds-2nd-gen","kind":"measurement","accessed":"2026-10-07","fields":["measured_frequency_response_notes","measured_bass_amount_db","measured_treble_amount_db","measured_battery_life","measured_microphone_notes"],"notes":{"measured_bass_amount_db":"Very Emphasized (5 dB), test bench 2.3","measured_treble_amount_db":"Balanced (0 dB), test bench 2.3","measured_frequency_response_notes":"Sound signature: Warm","measured_battery_life":"6.5 h row: 6.5 hours of continuous playback in the usage summary. ANC state not stated in the free text. Full measurements are members only and were not read","measured_microphone_notes":"Public Microphone usage assessment, test bench 2.3 on Deep Plum second-generation unit. Qualitative recording and noise-handling results. Exact firmware and microphone test settings are not stated in the free summary. Numeric frequency extension and noise-handling results remain member-locked and are not imported."}},{"url":"https://www.bose.com/pressroom/bose-announces-the-quietcomfort-ultra-earbuds-2nd-gen","kind":"press_release","accessed":"2026-10-07","fields":["announce_date","launch_price_usd","microphone_count_total","predecessor","microphone_count"],"notes":{"announce_date":"Dated manufacturer announcement: June 12, 2025.","launch_price_usd":"Opening availability paragraph: $299 original launch price.","microphone_count_total":"Voice pickup section: eight microphones in the earbuds.","predecessor":"Like its predecessor, the QC Ultra Earbuds feature Bose's proprietary CustomTune sound calibration technology.","microphone_count":"Launch voice-pickup paragraph explicitly combines the eight earbud microphones with AI noise suppression, dynamic mixing and adaptive filters for clearer calls. Pair total, including shared ANC microphones used for voice. Excludes the separate vibration sensors and case hardware."}},{"url":"https://www.techradar.com/audio/earbuds-airpods/bose-quietcomfort-ultra-earbuds-2nd-gen-review","kind":"review_site","accessed":"2026-09-30","fields":["bud_shape"],"notes":{"bud_shape":"Features section explicitly describes swiping/stroking the stem to change volume. Short external control stalk."}},{"url":"https://www.galaxus.nl/en/page/bose-quietcomfort-ultra-earbuds-2nd-gen-what-bose-improves-and-what-it-doesnt-39335","kind":"review_site","accessed":"2026-10-07","fields":["drivers","driver_type","transparency_adjustable"],"notes":{"drivers":"Exact second-generation hands-on review states a conventional dynamic driver per side. One audio transducer per bud. Diameter is omitted because this source gives 9.3 mm while the TechRadar exact review gives 10 mm and Bose publishes neither. No acoustic-role label inferred.","driver_type":"Review explicitly states conventional dynamic driver. Manufacturer does not publish the transducer technology.","transparency_adjustable":"Review explicitly describes adjusting ANC and transparency levels in the Bose app. Not an automatically selected activity profile."}},{"url":"https://www.soundguys.com/what-do-the-bose-quietcomfort-ultra-earbuds-2nd-gens-eq-presets-sound-like-140870/","kind":"review_site","accessed":"2026-10-07","fields":["eq_presets"],"notes":{"eq_presets":"Exact second-generation EQ comparison names these four Bose app sound presets as section headings. Default and Custom poll choices are not extra named presets. Listening modes are separate."}},{"url":"https://support.bose.com/article/quietcomfort-ultra-earbuds-gen-2-specifications?language=en_US","kind":"manufacturer_page","accessed":"2026-10-07","fields":["spec_sheet_url","case_weight_g","bluetooth_le_audio","low_latency_mode"],"notes":{"spec_sheet_url":"Exact model support Specifications page. Readable public indexed text. Direct HTTP yields a support-shell page.","case_weight_g":"Physical Specifications gives Case: 0.06 kg, approximately 60 g, separately from One earbud. Maker product page independently lists Case 0.132 lb, consistent with about 60 g after rounding. Empty charging case, not case plus earbuds.","bluetooth_le_audio":"Bluetooth footnote explicitly says the earbuds do not receive content over LE Audio. BLE is used for app communication and control. Does not inherit the later over-ear headphones LE Audio update.","low_latency_mode":"aptX Adaptive footnote explicitly names low latency mode, also called Gaming Mode. Maker launch release restricts automatic low-latency aptX Adaptive processing to Snapdragon Sound-certified source devices. It adapts to wireless conditions. No fixed latency or exposed app toggle is claimed."}},{"url":"https://www.bose.co.uk/stories/how-to-control-bose-wireless-earbuds","kind":"manufacturer_page","accessed":"2026-10-07","fields":["voice_assistant"],"notes":{"voice_assistant":"Maker names Siri and Google Assistant as phone voice assistants. The exact QuietComfort Ultra Earbuds (2nd Gen) row instructs assigning press-and-hold to launch that connected phone assistant. Requires a supported source device and Bose app shortcut configuration. No independent always-listening earbud assistant is claimed."}},{"url":"https://www.harveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-black.html","kind":"retailer","accessed":"2026-10-07","fields":["model_numbers","gtins","markets","variants"],"notes":{"model_numbers":"Exact second-generation Black product heading and manufacturer SKU 896637-0010. Regulatory case and earbud model numbers remain separately retained.","gtins":"Specifications Barcode (GTIN): 017817861120, exact Black SKU 896637-0010. No barcode inferred for other colours.","markets":"Exact AU retailer offers this SKU with an AUD price and Add to cart.","variants":"Colour/SKU row 896637-0010, Black, GTIN 017817861120, market AU."}},{"url":"https://www.harveynorman.com.au/bose-quietcomfort-ultra-earbuds-2nd-gen-deep-plum.html","kind":"retailer","accessed":"2026-10-07","fields":["model_numbers","gtins","markets","variants"],"notes":{"model_numbers":"Exact second-generation Deep Plum product heading and manufacturer SKU 896637-0030. Regulatory case and earbud model numbers remain separately retained.","gtins":"Specifications Barcode (GTIN): 017817861151, exact Deep Plum SKU 896637-0030. No barcode inferred for other colours.","markets":"Exact AU retailer offers this SKU with an AUD price and Add to cart.","variants":"Colour/SKU row 896637-0030, Deep Plum, GTIN 017817861151, market AU."}},{"url":"https://www.techgearlab.com/reviews/audio/wireless-earbuds/bose-quietcomfort-ultra-gen-2-earbuds","kind":"measurement","accessed":"2026-10-07","fields":["measured_weight_g"],"notes":{"measured_weight_g":"Exact Gen 2 review Specifications: Measured Weight 7.09 g (0.25 oz). The public table tooltip explicitly defines wireless earbuds as the weight of a single earbud. Ear-tip size and weighing instrument are not specified. This reviewer mass is separate from conflicting maker nominal masses."}},{"url":"https://assets.bosecreative.com/m/36b7ddda21b6edfd/original/898447_OG_QCUE2-HEADPHONEIN_EN.pdf","kind":"manual","accessed":"2026-10-08","fields":["battery_life_claimed"],"notes":{"battery_life_claimed":"The exact manufacturer guide on printed page 41 gives up to 6 hours with Bose Immersive Audio Off and up to 4 hours with it On after a full charge. Both music rows use Quiet Mode with full active noise cancellation, Bluetooth A2DP streaming at 75 dB SPL playback loudness, and all three equalizer bands at zero. Manufacturer testing used production-representative units in January 2025 with IEC 60268-1 pink noise. The Bluetooth codec and Immersive Still/Motion setting are unspecified, so neither is inferred. These are manufacturer claims, not independent reviewer measurements. Both music rows are the earbuds alone from one charge. The case provides three additional full recharge cycles, but a total hour figure is not calculated. The call row has its own source below."}},{"url":"https://www.bose.com/p/earbuds/bose-quietcomfort-ultra-earbuds-2nd-gen/QCUE2-HEADPHONEIN.html","kind":"manufacturer_page","accessed":"2026-10-08","fields":["battery_life_claimed"],"notes":{"battery_life_claimed":"The exact second-generation maker technical specification states Maximum Talk Time 4 hours. This supports only the unchanged call row. Its ANC, codec, volume, and spatial-processing test settings are not inferred from music-playback conditions."}}],"fields_filled":90,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}