{"data":{"slug":"sennheiser-accentum-true-wireless","type":"earbuds","brand":"Sennheiser","name":"ACCENTUM True Wireless","aliases":["Sennheiser ACCENTUM True Wireless","ATW1","ACCENTUM TW"],"release_date":"2024-05","url":"https://arkivo.dev/earbuds/sennheiser-accentum-true-wireless","specs":{"series":"ACCENTUM","model_numbers":["ATW1","ATW1 R","ATW1 L","ATW1 C","700262","700263","700264"],"gtins":["4260752331241","4260752331258","4260752331265","810091271148","810091271155","810091271162"],"announce_date":"2024-05-07","status":"available","predecessor":null,"successor":null,"launch_price_usd":199.99,"launch_price_eur":199.9,"markets":["US","CA","DE","GB","AU"],"colors":["Black","White","Blue"],"manufacturer_url":"https://us.sennheiser-hearing.com/products/accentum-true-wireless","spec_sheet_url":"https://stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdf","manual_url":"https://www.bax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdf","eprel_registration_number":null,"warranty_years":1,"segment":null,"form_factor":"in_ear","bud_shape":"stemless","single_bud_use":"either","rgb_lighting":null,"drivers":[{"type":"dynamic","role":null,"size_mm":7,"count":1}],"driver_type":"dynamic","driver_size_mm":7,"drivers_per_side":1,"driver_diaphragm_material":null,"frequency_response_hz":{"min_hz":5,"max_hz":21000},"impedance_ohm":null,"sensitivity_db":107,"sensitivity_reference":"per_1mw","max_sample_rate_khz":null,"max_bit_depth_bits":null,"adaptive_eq":null,"sound_personalization":true,"onboard_eq":true,"eq_bands":5,"eq_presets":null,"volume_limit_db":null,"virtual_surround":null,"head_tracking":null,"anc":true,"anc_type":"hybrid","anc_mic_count":4,"anc_adaptive":true,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":true,"transparency_adjustable":true,"adaptive_audio_mode":null,"conversation_detection":null,"wind_noise_reduction":true,"measured_frequency_response_notes":"Default sound over-emphasizes bass by a couple of dB against the SoundGuys target and under-emphasizes the mids around 500 Hz and 3 kHz by up to 5 dB. There is a boost of a couple of dB around 13 kHz. With ANC on the bass is more emphasized.","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 in a quiet room. The microphones struggle to attenuate simulated office, street and wind noise.","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":"AAC","hours":8.5},{"anc":true,"codec":"AAC","hours":5.5}],"measured_battery_life_h":8.5,"measured_battery_life_with_case_h":null,"measured_charge_time_min":55,"measured_weight_g":null,"microphone_count":4,"microphone_count_total":4,"voice_pickup_sensor":null,"microphone_noise_reduction":"dsp","voice_call_bandwidth":null,"mute_button":true,"sidetone":true,"chipset":null,"connection_types":["bluetooth"],"bluetooth_version":"5.3","bluetooth_codecs":["SBC","AAC","aptX","LC3"],"bluetooth_profiles":["A2DP","AVRCP","HFP","TMAP","PBP"],"bluetooth_le_audio":true,"auracast":true,"multipoint":true,"multipoint_device_count":2,"multipoint_ldac":null,"paired_device_memory":6,"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":[{"feature":"Auracast","requirement":"Firmware update. Broadcasts are chosen in the Sennheiser Smart Control app."},{"feature":"Eco mode","requirement":"Only with sources that support aptX. The mode turns aptX off and sends SBC or AAC."},{"feature":"Claimed battery life","requirement":"Manual test: smartphone at 1 m, Bluetooth AAC codec, volume 50 percent, ANC off. The US spec table says iPhone at a mid volume of 85 dB."}],"official_license":null,"battery_capacity_mah":55,"battery_user_replaceable":null,"battery_life_claimed":[{"mode":"anc_off","codec":"AAC","spatial_audio":null,"with_case":false,"hours":8},{"mode":"anc_on","codec":null,"spatial_audio":null,"with_case":false,"hours":6},{"mode":"anc_off","codec":"AAC","spatial_audio":null,"with_case":true,"hours":28}],"battery_life_max_h":8,"battery_life_anc_on_h":6,"battery_life_anc_off_h":8,"battery_life_with_case_h":28,"battery_life_with_case_anc_on_h":null,"talk_time_h":null,"charge_time_0_100_min":null,"charging_notes":"A full charge of the case and the earbuds together takes about 1.5 hours. Ambient temperatures below 15 C or above 30 C and Qi wireless charging lengthen the time. Charging works between 5 C and 35 C. The case takes 5 V over USB-C. The spec sheet and manual say 500 mA at most and the US page says 1000 mA at most. A battery protection mode charges the earbuds to about 80 percent.","quick_charge_min":10,"quick_charge_playback_h":1,"case_battery_capacity_mah":400,"case_battery_user_replaceable":null,"charging_port":"usb_c","case_charge_time_min":null,"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"],"volume_control":"touch","gesture_controls":["Right tap once: play or pause, answer a call","Left tap once: transparency mode on or off","Left tap twice: previous track","Right tap twice: next track","Left tap three times: ANC on or off","Right tap three times: voice assistant","Touch and hold left: volume down","Touch and hold right: volume up","Tap twice in a call: end a call or reject an incoming call","Tap once in a call: mute or unmute the microphones"],"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":true,"loud_sound_reduction":null,"health_features":null,"ear_tip_sizes":["XS","S","M","L"],"ear_tip_materials":["silicone"],"stabilizers":null,"fit_test":true,"ip_rating":["IP54"],"case_ip_rating":null,"water_resistance_depth_m":null,"companion_app":"Sennheiser Smart Control","companion_app_platforms":["android","ios"],"firmware_updatable":true,"find_my_networks":null,"precision_finding":null,"live_translation":null,"weight_g":5.5,"dimensions_mm":null,"case_weight_g":41,"case_dimensions_mm":null,"hi_res_audio":null,"communication_certifications":null,"fcc_ids":["2A3ULATW1"],"other_certifications":null,"in_the_box":["Earbud R (ATW1 R) and earbud L (ATW1 L)","Charging case (ATW1 C) with built-in battery and wireless charging","USB cable with USB-C and USB-A connector, approx. 0.4 m","Silicone ear tips in sizes XS, S, M (fitted on delivery) and L","Quick guide","Safety guide"],"cables_included":[{"type":"USB-C to USB-A","length_m":0.4,"count":1}]},"variants":[{"model_number":"700262","gtin":"4260752331241","colors":["Black"]},{"model_number":"700263","gtin":"4260752331258","colors":["White"]},{"model_number":"700264","gtin":"4260752331265","colors":["Blue"]}],"sources":[{"url":"https://us.sennheiser-hearing.com/products/accentum-true-wireless","kind":"manufacturer_page","accessed":"2026-10-16","fields":["manufacturer_url","colors","warranty_years","form_factor","drivers","driver_type","frequency_response_hz","sensitivity_db","sensitivity_reference","eq_bands","sound_personalization","hearing_test","anc","anc_type","transparency_mode","microphone_count","bluetooth_version","bluetooth_codecs","bluetooth_profiles","bluetooth_le_audio","auracast","battery_capacity_mah","case_battery_capacity_mah","battery_life_claimed","quick_charge_min","quick_charge_playback_h","charging_notes","wireless_charging","wireless_charging_standards","ip_rating","weight_g","case_weight_g","companion_app","companion_app_platforms","ear_tip_sizes","ear_tip_materials","in_the_box","cables_included","feature_requirements","customizable_controls","control_types","status","model_numbers","connection_types","charging_port"],"notes":{"manufacturer_url":"US maker product page.","colors":"Colour selector: Black, White and Blue.","warranty_years":"US store: 1-year manufacturer warranty. The EU manual says 24 months.","form_factor":"Spec table: ear coupling ear canal, true wireless stereo earphones with four ear tip sizes.","drivers":"Spec table: TrueResponse dynamic, 7 mm diameter. One driver per earbud.","driver_type":"Spec table: speaker principle dynamic.","frequency_response_hz":"Spec table: speaker frequency range 5 Hz to 21 kHz. Conditions are not stated.","sensitivity_db":"Spec table: 107 dB SPL (1 kHz / 1 mW). The manual prints 107 dB at 1 kHz / 0 dBFS.","sensitivity_reference":"Spec table gives the reference as 1 mW.","eq_bands":"Page: 5-band EQ in the Smart Control app.","sound_personalization":"Page: the Smart Control Plus app has a Sound Personalization feature that assesses your listening preferences. The Sound Check presets come from a listening test.","hearing_test":"Sound Check and Sound Personalization are listening preference tests. No medical hearing test is claimed.","anc":"Hybrid Active Noise Cancellation.","anc_type":"Spec table: Active Noise Cancellation Hybrid ANC.","transparency_mode":"Page: Transparency Mode.","microphone_count":"Spec table: 2 mics per earbud, beamforming for noise reduction. Page: dual mics on each earbud.","bluetooth_version":"Spec table: Bluetooth 5.3 compliant, class 1, 10 mW max.","bluetooth_codecs":"Spec table: SBC, AAC, aptX, LC3.","bluetooth_profiles":"Spec table: A2DP, AVRCP, HFP, TMAP, PBP.","bluetooth_le_audio":"Page: Bluetooth 5.3, Bluetooth LE and Auracast.","auracast":"Footnote: Auracast is available via firmware update only.","battery_capacity_mah":"Spec table: left and right earbud 55 mAh.","case_battery_capacity_mah":"Spec table: charging case 400-420 mAh. The lower figure is stored. The manual lists 1.48 to 1.56 Wh at 3.7 V.","battery_life_claimed":"Spec table: up to 8 hours with ANC off, 6 hours with ANC on and 28 hours overall with the case. Test condition: iPhone, mid volume level 85 dB. The 28 hours match 8 hours plus 20 hours from the case, so they are stored as an ANC-off total.","quick_charge_min":"Spec table: after 10 minutes of charging, 1 hour of music playtime.","quick_charge_playback_h":"Spec table: after 10 minutes of charging, 1 hour of music playtime. Volume and ANC state are not stated.","charging_notes":"Spec table: charging time about 1.5 hours for a full charge, with the temperature remark. Power supply 5 V, 1000 mA max, USB-C and Qi.","wireless_charging":"Page: convenient Qi wireless or USB-C charging.","wireless_charging_standards":"Page: Qi wireless charging.","ip_rating":"Spec table: IP54, splash resistant, earbuds only.","weight_g":"Spec table: 5.5 g single earbud.","case_weight_g":"Spec table: 41 g charging case. The 52 g total equals the case plus two earbuds, so this is the empty case.","companion_app":"Spec table: Sennheiser Smart Control app. The page also names a Smart Control Plus app.","companion_app_platforms":"Spec table: Smart Control app for iOS and Android.","ear_tip_sizes":"What's in the box: ear tip sets XS, S, M and L.","ear_tip_materials":"The page names ear tips. The manual says silicone.","in_the_box":"What's in the box and the manual's delivery list.","cables_included":"What's in the box: one USB-C charging cable.","feature_requirements":"Footnote on Auracast and the spec table test condition.","customizable_controls":"Page: the customizable touch interface controls playback, calls and voice assistant.","control_types":"Page: touch interface.","status":"US store shows the product at 99.95 USD against 219.95 USD and lists Black, White and Blue.","model_numbers":"Spec table: article numbers 700262 (Black), 700263 (White) and 700264 (Blue).","connection_types":"Bluetooth only. The earbuds have no wired or dongle connection.","charging_port":"Spec table: USB charging via USB-C socket at the charging case."}},{"url":"https://stassen.nl/images/Senn_ACCENTUM%20TW_Spec_Sheet_EN.pdf","kind":"manufacturer_pdf","accessed":"2026-10-16","fields":["spec_sheet_url","gtins","model_numbers","bluetooth_le_audio","frequency_response_hz","sensitivity_db","sensitivity_reference","battery_life_claimed","case_battery_capacity_mah","battery_capacity_mah","weight_g","case_weight_g","ip_rating","charging_notes"],"notes":{"spec_sheet_url":"Sennheiser English spec sheet, as hosted by a distributor.","gtins":"Technical Data table: EAN 4260752331241, 4260752331258 and 4260752331265 and UPC 810091271148, 810091271155 and 810091271162 for Black, White and Blue.","model_numbers":"Order names ATW1 Black, ATW1 White and ATW1 Blue with article numbers 700262, 700263 and 700264.","bluetooth_le_audio":"Connectivity: Bluetooth Classic and LE Audio supported.","frequency_response_hz":"Speaker frequency range 5 Hz to 21 kHz.","sensitivity_db":"Speaker sensitivity 107 dB SPL (1 kHz / 1 mW).","sensitivity_reference":"Reference 1 mW.","battery_life_claimed":"Battery lifespan: up to 8 hours ANC off, up to 6 hours ANC on, up to 28 hours overall with the case. Test condition: iPhone, mid volume level 85 dB.","case_battery_capacity_mah":"Battery type: charging case 400-420 mAh.","battery_capacity_mah":"Battery type: left and right earbud 55 mAh.","weight_g":"Product weight: 5.5 g single earbud.","case_weight_g":"Product weight: 41 g charging case.","ip_rating":"Weather resistance: IP54, earbuds only.","charging_notes":"Power supply: 5 V, 500 mA max over USB-C. The US page prints 1000 mA max. Charging temperature 5 to 35 C."}},{"url":"https://www.bax-shop.nl/downloads/products/9000-0131-1764/atw1_manual_nl.pdf","kind":"manual","accessed":"2026-10-16","fields":["manual_url","model_numbers","form_factor","single_bud_use","anc_type","anc_mic_count","anc_adaptive","wind_noise_reduction","transparency_adjustable","microphone_count","microphone_count_total","multipoint","multipoint_device_count","paired_device_memory","bluetooth_le_audio","auracast","feature_requirements","control_types","volume_control","gesture_controls","customizable_controls","mute_button","voice_assistant","wear_detection","onboard_eq","sound_personalization","low_latency_mode","fit_test","firmware_updatable","battery_life_claimed","charging_notes","wireless_charging","wireless_charging_standards","ear_tip_sizes","ear_tip_materials","in_the_box","cables_included","weight_g","case_weight_g","ip_rating","companion_app","battery_capacity_mah","case_battery_capacity_mah","sensitivity_reference","warranty_years","bud_shape","microphone_noise_reduction"],"notes":{"manual_url":"Dutch manual, version 04/24 A01, hosted by a retailer. It is the maker's manual for ATW1. The English copy was not reachable on the maker's CDN.","model_numbers":"Cover: ATW1, ATW1 R, ATW1 L and ATW1 C.","form_factor":"Wearing style true wireless earphones with ear coupling in the ear canal. The silicone ear tips must seal the ear fully.","single_bud_use":"You can also use only the right or only the left earbud.","anc_type":"Specifications: Hybrid ANC technology.","anc_mic_count":"Specifications: 2 microphones per earbud for speech and ANC, so four across the pair. Shared microphones count once.","anc_adaptive":"With adaptive noise cancellation the intensity is controlled automatically by the ambient noise. ANC modes in the app: On, Off and Anti Wind.","wind_noise_reduction":"ANC mode Anti Wind: light reduction to keep disturbing wind or movement noise to a minimum. It is a selectable mode.","transparency_adjustable":"The intensity of transparency mode is set in the Smart Control app.","microphone_count":"Specifications: 2 microphones per earbud for speech and ANC, so four across the pair.","microphone_count_total":"The same two microphones per earbud serve speech and ANC, so four physical microphones in total. No feedback microphone is named.","multipoint":"Specifications: number of active connections 2.","multipoint_device_count":"Specifications: number of active connections 2. Audio plays from one device at a time.","paired_device_memory":"The earbuds store the connection profiles of up to six paired Bluetooth devices.","bluetooth_le_audio":"The earbuds are certified for Bluetooth 5.3 LE Audio and Auracast broadcast audio. The codec row lists LC3.","auracast":"Auracast broadcast audio with a function in the Smart Control app.","feature_requirements":"Eco mode section and Operating time row of the specifications.","control_types":"Touch control surface on each earbud.","volume_control":"Touch and hold the left surface to lower the volume and the right surface to raise it.","gesture_controls":"Operation chapter: tap and hold gestures for volume, transparency, ANC, voice assistant, playback and calls. Controls can be changed in the app.","customizable_controls":"In the app you can customise control functions, select presets or switch them off. Some basic functions such as phone control cannot be changed.","mute_button":"During a call tap once on either earbud to mute or unmute the microphones.","voice_assistant":"Triple tap on the right earbud starts the voice assistant of your device, for example Siri or Google Assistant.","wear_detection":"Smart Pause: music pauses when you take an earbud out and resumes when you put it back. It can be turned off in the app.","onboard_eq":"The sound effects are stored in the earbuds and stay active without the app, for example on another Bluetooth device.","sound_personalization":"Sound Check in the app guides you step by step to user-defined equalizer presets.","low_latency_mode":"Low Latency mode in the app reduces the delay between audio and video further. It works with all Bluetooth codecs and can shorten the range.","fit_test":"Fit Test function in the Smart Control app.","firmware_updatable":"Free firmware updates through the Smart Control app.","battery_life_claimed":"Specifications, Operating time: 8 hours with the earbud battery and 28 hours with the case battery. Test conditions: smartphone at 1 m, Bluetooth AAC codec, volume 50 percent, ANC off.","charging_notes":"A full charge cycle of the case and the earbuds takes about 1.5 hours. The battery protection mode charges to about 80 percent. The case input is 5 V, 500 mA max.","wireless_charging":"The case charges by USB cable or on a Qi-compatible wireless charger.","wireless_charging_standards":"Qi-compatible wireless charging station.","ear_tip_sizes":"Four silicone ear tip sizes XS, S, M and L. Size M is fitted on delivery.","ear_tip_materials":"Silicone ear tips.","in_the_box":"Scope of delivery chapter.","cables_included":"USB cable with USB-C and USB-A connector, approx. 0.4 m.","weight_g":"Specifications: earbud approx. 5.5 g each.","case_weight_g":"Specifications: charging case approx. 41 g. Both earbuds and case approx. 52 g.","ip_rating":"Earbuds splash resistant to IP54. The charging case is not splash proof.","companion_app":"Sennheiser Smart Control app.","battery_capacity_mah":"Specifications: earbuds 3.7 V, 55 mAh, 0.2 Wh.","case_battery_capacity_mah":"Specifications: charging case 3.7 V, 400-420 mAh, 1.48-1.56 Wh. The lower figure is stored.","sensitivity_reference":"Specifications print the level as 107 dB at 1 kHz / 0 dBFS. The spec sheet says 1 mW, which is stored. The two references are not the same.","warranty_years":"EU manual: the maker grants a 24-month warranty. The US store says 1 year and is stored.","bud_shape":"Earbud diagrams show a compact body with no stalk.","microphone_noise_reduction":"Beamforming array for the speech and ANC microphones."}},{"url":"https://cdn.sennheiser-hearing.com/product-documents/product-downloads/accentum-true-wireless/safety_instruction/Compliance_Information_ACCENTUM_True_Wireless.pdf","kind":"regulatory","accessed":"2026-10-16","fields":["fcc_ids","model_numbers"],"notes":{"fcc_ids":"Compliance Information: FCC ID 2A3ULATW1 on the earbud models ATW1 R and ATW1 L. The charging case ATW1 C shows no FCC ID.","model_numbers":"Models ATW1, ATW1 R, ATW1 L and ATW1 C."}},{"url":"https://newsroom.sennheiser.com/pocketable-powerhouse-this-is-accentum-true-wireless","kind":"press_release","accessed":"2026-10-16","fields":["series","announce_date","release_date","launch_price_usd","markets","colors","auracast","bluetooth_le_audio","quick_charge_min","quick_charge_playback_h","eq_bands","transparency_adjustable","anc_type","wireless_charging"],"notes":{"series":"The release places ACCENTUM True Wireless in the ACCENTUM family next to ACCENTUM Wireless and ACCENTUM Plus Wireless.","announce_date":"Maker news dated 6 May 2024 with the Wedemark dateline of 7 May 2024. The dateline date is stored.","release_date":"Pre-order from the announcement and official launch on 21 May 2024.","launch_price_usd":"MSRP of 199.99 USD and 279.95 CAD. SoundGuys and T3 print 199.95 USD. The maker figure is stored.","markets":"United States and Canada MSRP in the release.","colors":"Launch colours black and white. Blue was added later and is on the maker store.","auracast":"The earbuds are Bluetooth LE Audio and Auracast capable, with use at Auracast venues in the near future.","bluetooth_le_audio":"Bluetooth LE Audio capable.","quick_charge_min":"Quick charging over USB gives up to 1 hour of playback in about 10 minutes.","quick_charge_playback_h":"Up to 1 hour of playback in about 10 minutes.","eq_bands":"5-band equalizer and Sound Check in the Smart Control app.","transparency_adjustable":"In the app the user can select the amount of transparency.","anc_type":"Hybrid ANC with Transparency modes.","wireless_charging":"Both USB-C and Qi wireless charging are available in the case."}},{"url":"https://cdn.uc.assets.prezly.com/ff61fc44-afa0-42f0-934b-a6293529e6bd/-/inline/no/Pressemitteilung_Sennheiser%20ACCENTUM%20True%20Wireless.pdf","kind":"press_release","accessed":"2026-10-16","fields":["launch_price_eur","markets","release_date"],"notes":{"launch_price_eur":"German release of 7 May 2024: 199.90 EUR (209.90 CHF), incl. VAT.","markets":"Germany.","release_date":"Pre-order now and official availability from 21 May 2024."}},{"url":"https://us.sennheiser-hearing.com/products/accentum-true-wireless.js","kind":"manufacturer_page","accessed":"2026-10-16","fields":["model_numbers","variants","colors","status"],"notes":{"model_numbers":"US store SKUs 700262 (Black), 700263 (White) and 700264 (Blue).","variants":"One row per colour. The store barcodes are the UPCs 810091271148, 810091271155 and 810091271162. The EAN is stored per row, taken from the spec sheet.","colors":"Black, White and Blue.","status":"All three SKUs are available on 2026-10-16."}},{"url":"https://www.soundguys.com/sennheiser-accentum-true-wireless-review-116713/","kind":"review_site","accessed":"2026-10-16","fields":["release_date","launch_price_usd","measured_frequency_response_notes","measured_microphone_notes","multipoint","sound_personalization","hearing_test"],"notes":{"release_date":"Review lists the product release date as May 2024.","launch_price_usd":"Review lists 199.95 USD.","measured_frequency_response_notes":"Lab measurement on SoundGuys' test rig against its headphone preference curve, default settings, firmware 5.7.6, Smart Control app 4.8.1. ANC adds bass emphasis. SoundGuys did not measure battery for this model.","measured_microphone_notes":"SoundGuys microphone tests with simulated office, street and wind noise.","multipoint":"Bluetooth multipoint lets you pair to multiple devices simultaneously.","sound_personalization":"Sound Check feature takes a listening test that determines your preferred sound.","hearing_test":"Sound Check listening test. It is not a medical hearing test."}},{"url":"https://www.headphonecheck.com/test/sennheiser-accentum-true-wireless/","kind":"review_site","accessed":"2026-10-16","fields":["measured_battery_life","measured_charge_time_min","multipoint","multipoint_device_count","sidetone","low_latency_mode","transparency_adjustable","wind_noise_reduction"],"notes":{"measured_battery_life":"Practical test with the AAC codec at a high playback volume: 8.5 hours with ANC off and 5.5 hours with ANC on. Tom's Guide measured about 6.5 hours ANC off and 5 hours ANC on at up to 70 percent volume with multipoint, and GSMArena and HiFi Oasis got about 5.5 hours ANC on with aptX. The reviewers use different volumes, so only this one test is stored. The review's total with the case is a calculation, so it is not stored.","measured_charge_time_min":"About 55 minutes to refuel the earbuds when empty. The case took 75 minutes by cable.","multipoint":"Multipoint connections with two devices simultaneously.","multipoint_device_count":"Multipoint connections with two devices simultaneously.","sidetone":"In calls, external noise can be amplified in two intensity levels so you hear your own voice more naturally.","low_latency_mode":"The app can activate low-latency mode for games.","transparency_adjustable":"A three-stage transparency mode.","wind_noise_reduction":"A special anti-wind ANC mode for outdoor use."}},{"url":"https://www.t3.com/reviews/sennheiser-accentum-true-wireless-review","kind":"review_site","accessed":"2026-10-16","fields":["markets"],"notes":{"markets":"Now on sale for 169.99 GBP in the UK and 299 AUD in Australia."}},{"url":"https://www.tomsguide.com/audio/earbuds/sennheiser-accentum-true-wireless","kind":"review_site","accessed":"2026-10-16","fields":["multipoint"],"notes":{"multipoint":"The review says the earbuds pair to two devices simultaneously with multipoint."}}],"fields_filled":86,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}