{"data":{"slug":"bose-ultra-open-earbuds","type":"earbuds","brand":"Bose","name":"Ultra Open Earbuds","aliases":["Bose Ultra Open Earbuds","Bose Ultra Open","Ultra Open Earbuds (1st Gen)","ULT-HEADPHONEOPN"],"release_date":"2024-02-15","url":"https://arkivo.dev/earbuds/bose-ultra-open-earbuds","specs":{"series":null,"model_numbers":["438926","926L","926R","881046-0010","881046-0020","881046-0030","881046-0040","881046-0050","881046-0060","881046-0070","881046-0100","881046-0200","881046-0300","881046-0400","881046-0600","881046-0700","881046-0800","881046-0900"],"gtins":null,"announce_date":"2024-02-15","status":"available","predecessor":null,"successor":"bose-ultra-open-earbuds-2nd-gen","launch_price_usd":299,"launch_price_eur":null,"markets":["US","CA","GB","DE","FR"],"colors":["Black","White Smoke","Lunar Blue","Diamond 60th Edition","Moonstone Blue","Chilled Lilac","Sunset Iridescent","Deep Plum","Carbon Blue","Midnight Violet","Moonlight Grey","Driftwood Sand","Desert Gold"],"manufacturer_url":"https://www.bose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html","spec_sheet_url":null,"manual_url":"https://assets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdf","eprel_registration_number":null,"warranty_years":1,"segment":null,"form_factor":"open_ear","bud_shape":"ear_cuff","single_bud_use":"either","rgb_lighting":null,"drivers":null,"driver_type":null,"driver_size_mm":null,"drivers_per_side":null,"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":null,"onboard_eq":null,"eq_bands":3,"eq_presets":null,"volume_limit_db":null,"virtual_surround":["Bose Immersive Audio"],"head_tracking":true,"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":"Measured response is far from the SoundGuys headphone preference curve. It lines up in the mid-range, has no bass response and has a sharp spike in the upper mid-range.","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":"Voices are clear in ideal conditions but the microphone is rated subpar. Wind noise is not rejected in the simulated outdoor 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":[{"anc":false,"codec":null,"hours":8.8833}],"measured_battery_life_h":8.8833,"measured_battery_life_with_case_h":null,"measured_charge_time_min":null,"measured_weight_g":null,"microphone_count":null,"microphone_count_total":null,"voice_pickup_sensor":null,"microphone_noise_reduction":null,"voice_call_bandwidth":null,"mute_button":null,"sidetone":null,"chipset":null,"connection_types":["bluetooth"],"bluetooth_version":"5.3","bluetooth_codecs":["SBC","AAC","aptX Adaptive"],"bluetooth_profiles":["A2DP","HFP"],"bluetooth_le_audio":null,"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":null,"latency_claimed":null,"latency_claimed_min_ms":null,"compatible_platforms":["android","ios"],"platform_connections":null,"feature_requirements":[{"feature":"Google Fast Pair","requirement":"Android 6.0 or higher with Bluetooth and Location enabled."},{"feature":"Snapdragon Sound and aptX Adaptive","requirement":"A Snapdragon Sound certified device, such as a compatible Android device."},{"feature":"Personal Surround","requirement":"A compatible Bose Smart Soundbar, currently Bose Smart Ultra Soundbar and Bose Smart Soundbar."}],"official_license":null,"battery_capacity_mah":null,"battery_user_replaceable":false,"battery_life_claimed":[{"mode":"anc_off","codec":null,"spatial_audio":false,"with_case":false,"hours":7.5},{"mode":"anc_off","codec":null,"spatial_audio":true,"with_case":false,"hours":4.5},{"mode":"anc_off","codec":null,"spatial_audio":false,"with_case":true,"hours":27},{"mode":"anc_off","codec":null,"spatial_audio":true,"with_case":true,"hours":16.5}],"battery_life_max_h":7.5,"battery_life_anc_on_h":null,"battery_life_anc_off_h":7.5,"battery_life_with_case_h":27,"battery_life_with_case_anc_on_h":null,"talk_time_h":null,"charge_time_0_100_min":60,"charging_notes":null,"quick_charge_min":10,"quick_charge_playback_h":2,"case_battery_capacity_mah":null,"case_battery_user_replaceable":false,"charging_port":"usb_c","case_charge_time_min":180,"wireless_charging":false,"wireless_charging_standards":null,"wireless_charging_max_w":null,"case_speaker":null,"case_screen":null,"case_audio_transmitter":null,"control_types":["button"],"volume_control":"buttons","gesture_controls":["Press: play or pause, answer a call","Double-press: next track, end or decline a call","Triple-press: previous track","Press and hold: shortcut, by default cycle through modes","Double-press and hold right earbud: volume up","Double-press and hold left earbud: volume down"],"customizable_controls":true,"voice_assistant":["Device voice control"],"wear_detection":false,"sensors":["IMU (Inertial Measurement Unit)"],"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":null,"fit_test":null,"ip_rating":["IPX4"],"case_ip_rating":["IPX1"],"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":6.35,"dimensions_mm":{"width_mm":17,"height_mm":18.5,"depth_mm":27.2},"case_weight_g":44,"case_dimensions_mm":{"width_mm":65,"height_mm":41.9,"depth_mm":26.4},"hi_res_audio":null,"communication_certifications":null,"fcc_ids":["A94926L","A94926R"],"other_certifications":["Snapdragon Sound"],"in_the_box":["2 Bose Ultra Open Earbuds","Charging case","USB-C (A to C) cable","Safety sheet"],"cables_included":[{"type":"USB Type-C to USB-A cable","length_m":0.3,"count":1}]},"variants":[],"sources":[{"url":"https://www.bose.com/pressroom/bose-ultra-open-earbuds","kind":"press_release","accessed":"2026-10-10","fields":["release_date","announce_date","launch_price_usd","sensors","fast_pair","bluetooth_version"],"notes":{"release_date":"Press release dated February 15, 2024 says the earbuds are available starting today on Bose.com and select resellers.","announce_date":"February 15, 2024 launch announcement.","launch_price_usd":"Press release: available starting today for $299. US price, sales tax not included.","sensors":"Press release: onboard IMU (Inertial Measurement Unit) drives Bose Immersive Audio.","fast_pair":"Press release: Google Fast Pair for Android pairing.","bluetooth_version":"Press release: Bluetooth 5.3 compatible. SoundGuys and What Hi-Fi also list Bluetooth 5.3."}},{"url":"https://assets.bosecreative.com/m/65e13aaa016a23ac/original/889371_OG_ULT-HEADPHONEOPN_en.pdf","kind":"manual","accessed":"2026-10-10","fields":["manual_url","model_numbers","fcc_ids","single_bud_use","eq_bands","virtual_surround","head_tracking","bluetooth_codecs","multipoint","multipoint_device_count","paired_device_memory","wireless_range_m","feature_requirements","battery_user_replaceable","case_battery_user_replaceable","battery_life_claimed","charge_time_0_100_min","quick_charge_min","quick_charge_playback_h","case_charge_time_min","charging_port","control_types","volume_control","gesture_controls","customizable_controls","voice_assistant","ip_rating","case_ip_rating","companion_app","companion_app_platforms","firmware_updatable","other_certifications","in_the_box","form_factor","bud_shape"],"notes":{"manual_url":"Owner's guide 889371, English, copyright 2026. It covers Bose Ultra Open Earbuds with case model 438926.","model_numbers":"Printed page 4 and 6: case model 438926, left earbud 926L, right earbud 926R. The 881046 numbers are the SKUs in the product page offer data.","fcc_ids":"Printed page 4: FCC ID A94926L / A94926R.","single_bud_use":"Printed page 50 troubleshooting: if you are wearing only one earbud, place the other in the case. Either earbud is not specified further.","eq_bands":"Printed page 19: bass, midrange and treble are adjusted in the Bose app.","virtual_surround":"Printed page 21: Immersive Audio with Motion, Still and Off settings.","head_tracking":"Printed page 21: Motion keeps the sound in front of you as you move. Still keeps virtual speakers fixed and recenters a few seconds after movement stops.","bluetooth_codecs":"Printed page 39: with a Snapdragon Sound certified device the earbuds stream with aptX Adaptive. SBC and AAC come from the maker product page.","multipoint":"Printed page 33: connected to up to two devices at a time. Audio plays from one device at a time.","multipoint_device_count":"Printed page 33 and 36: up to two devices connected at once.","paired_device_memory":"Printed page 33: up to six devices in the earbud device list.","wireless_range_m":"Printed pages 35 and 40: range of 30 ft or 9 m.","feature_requirements":"Printed page 38 for Fast Pair, page 39 for Snapdragon Sound, page 42 for Personal Surround.","battery_user_replaceable":"Printed page 5: do not attempt to remove the lithium-ion battery. Contact a Bose retailer or qualified professional.","case_battery_user_replaceable":"Printed page 5 gives the same instruction for the product. Bose sells the charging case as a replacement part.","battery_life_claimed":"Printed page 29. Bose test January 2024: A2DP, IEC 60268-1 pink noise, 75 dBA, 3-band EQ at zero. Up to 7.5 h with Immersive Audio and Auto Volume off. Up to 4.5 h with either on, which is the stored spatial row. Up to 3.5 h with both on. Total with the case: 27 h, 16.5 h with either on, 12 h with both on. Codec not stated. No ANC.","charge_time_0_100_min":"Printed page 29: earbuds up to 1 hour. Bose test: depleted earbuds in a fully charged case.","quick_charge_min":"Printed page 29: a 10-minute charge with the case closed.","quick_charge_playback_h":"Printed page 29: up to 2 hours of earbud playback after 10 minutes. Immersive Audio and Auto Volume off, 75 dBA.","case_charge_time_min":"Printed page 29: charging case up to 3 hours. The connection is the USB cable.","charging_port":"Printed page 27: USB-C port on the bottom of the charging case.","control_types":"Printed page 17: one button on each earbud barrel.","volume_control":"Printed page 18: double-press and hold the right button for up, the left button for down.","gesture_controls":"Printed pages 17 to 20.","customizable_controls":"Printed page 20: the shortcut on each earbud can be changed in the Bose app.","voice_assistant":"Printed page 25: a shortcut opens the voice control of the connected device. The earbud microphones act as an extension of the device microphone.","ip_rating":"Printed page 43: earbuds IPX4.","case_ip_rating":"Printed page 43: charging case IPX1.","companion_app":"Printed page 12.","companion_app_platforms":"Printed page 6 trademark notice names the Apple App Store and Google Play. The maker product page says the app is on Google Play and the Apple Store.","firmware_updatable":"Printed page 45: earbuds update automatically through the Bose app when an update is available.","other_certifications":"Printed page 39: Snapdragon Sound technology.","in_the_box":"Printed page 11: earbuds, charging case, USB Type-C to USB-A cable. The maker page also lists a safety sheet.","form_factor":"Printed page 14: the speaker rests on the inner surface of the ear and is not inserted into the ear canal.","bud_shape":"Printed page 13: the speaker hooks in the ear and the barrel wraps behind the ear. Bose calls it cuff-shaped."}},{"url":"https://www.bose.com/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html","kind":"manufacturer_page","accessed":"2026-10-10","fields":["status","colors","manufacturer_url","warranty_years","anc","connection_types","bluetooth_profiles","weight_g","case_weight_g"],"notes":{"status":"Bose.com US listing in stock on the access date.","colors":"Color names from the page offer data. Black and White Smoke are the launch colors. The others are limited editions, some out of stock.","manufacturer_url":"Bose US product page.","warranty_years":"Page says Bose products come with a 1-year limited warranty from the date of purchase. US page.","anc":"Technical specifications: Noise Cancelling No.","connection_types":"Wireless Connectivity row lists Bluetooth only. The USB cable is for charging.","bluetooth_profiles":"Wireless Connectivity row lists A2DP Bluetooth Audio Streaming, Bluetooth Low Energy and HFP Bluetooth.","weight_g":"Bud Single 0.014 lb. Converted with 453.59237 g per lb to 6.35 g. The pound figure is rounded, so the true mass may differ a little. SoundGuys lists 6 g.","case_weight_g":"Case 0.097 lb, converted to 44.0 g. Listed apart from the single bud, so read as the empty case. SoundGuys lists 57 g, which is about the case plus two earbuds."}},{"url":"https://www.bose.de/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html","kind":"manufacturer_page","accessed":"2026-10-10","fields":["markets","dimensions_mm","case_dimensions_mm"],"notes":{"markets":"Bose Germany store offers the product in stock in EUR.","dimensions_mm":"Einzelner Earbud 1.85 cm H x 1.7 cm W x 2.72 cm D. Maker-labeled axes in cm, stored in mm. The US page gives the same size in inches.","case_dimensions_mm":"Etui 4.19 cm H x 6.5 cm W x 2.64 cm D. Maker-labeled axes. SoundGuys lists 65 x 27 x 49 mm, which differs on the height axis."}},{"url":"https://www.bose.co.uk/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html","kind":"manufacturer_page","accessed":"2026-10-10","fields":["markets","cables_included"],"notes":{"markets":"Bose UK store offers the product in stock in GBP.","cables_included":"In the box: USB-C (A to C) cable (30 cm). The US page gives 12 inches."}},{"url":"https://www.bose.fr/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html","kind":"manufacturer_page","accessed":"2026-10-10","fields":["markets"],"notes":{"markets":"Bose France store offers the product in stock in EUR."}},{"url":"https://www.bose.com/p/accessories/bose-ultra-open-earbuds-wireless-charging-case-cover/CMWB-FULT_WLSCH-COVERCASE.html","kind":"manufacturer_page","accessed":"2026-10-10","fields":["wireless_charging"],"notes":{"wireless_charging":"Bose sells a Wireless Charging Case Cover as an upgrade to wireless charging. The earbuds and case as sold have no wireless charging. The 2nd gen press release also says its case is the one that now supports wireless charging."}},{"url":"https://www.bose.com/pressroom/bose-sport-open-earbuds-and-bose-ultra-open-earbuds-2nd-gen","kind":"press_release","accessed":"2026-10-10","fields":["successor"],"notes":{"successor":"September 17, 2026 release: the Ultra Open Earbuds (2nd Gen) build on the original cuff design."}},{"url":"https://www.soundguys.com/bose-ultra-open-earbuds-review-113271/","kind":"review_site","accessed":"2026-10-10","fields":["compatible_platforms"],"notes":{"compatible_platforms":"FAQ: the earbuds work with iPhone. Android support is shown by Google Fast Pair in the owner's guide."}},{"url":"https://www.soundguys.com/bose-ultra-open-earbuds-review-113271/","kind":"measurement","accessed":"2026-10-10","fields":["measured_frequency_response_notes","measured_microphone_notes","measured_battery_life"],"notes":{"measured_frequency_response_notes":"Objective Measurements section. Firmware 1.10.4, Bose Music app 9.1.8, default settings. No numeric deviation stored.","measured_microphone_notes":"Microphone demos in ideal, office, street, windy and reverberant conditions. Reviewer rates the microphone subpar.","measured_battery_life":"SoundGuys standardized battery test: 8 hours 53 minutes. Firmware 1.10.4, app 9.1.8. Earbuds only, one charge. Codec and volume are not stated. No ANC."}},{"url":"https://www.whathifi.com/reviews/bose-ultra-open-earbuds","kind":"review_site","accessed":"2026-10-10","fields":["wear_detection"],"notes":{"wear_detection":"Reviewer states there is no auto-pause when you take an earbud out."}},{"url":"https://www.stuff.tv/review/bose-ultra-open-earbuds-review/","kind":"review_site","accessed":"2026-10-10","fields":["wear_detection"],"notes":{"wear_detection":"Reviewer states there is no wear detection. Music only stops when the buds go back in the charging case."}},{"url":"https://www.bose.ca/en/p/earbuds/bose-ultra-open-earbuds/ULT-HEADPHONEOPN.html","kind":"manufacturer_page","accessed":"2026-10-10","fields":["markets"],"notes":{"markets":"Bose Canada store offers the product in stock in CAD."}}],"fields_filled":64,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}