{"data":{"slug":"sony-linkbuds-s","type":"earbuds","brand":"Sony","name":"LinkBuds S","aliases":["WF-LS900N","Sony WFLS900N"],"release_date":"2022-05-20","url":"https://arkivo.dev/earbuds/sony-linkbuds-s","specs":{"series":"LinkBuds","model_numbers":["WF-LS900N","YY2950"],"gtins":null,"announce_date":"2022-05-18","status":null,"predecessor":null,"successor":"sony-linkbuds-fit","launch_price_usd":199.99,"launch_price_eur":null,"markets":["US","JP"],"colors":["Black","White","Ecru","Earth Blue"],"manufacturer_url":"https://www.sony.jp/headphone/products/LinkBuds_S/","spec_sheet_url":"https://www.sony.jp/headphone/products/LinkBuds_S/spec.html","manual_url":"https://helpguide.sony.net/mdr/linkbudss/v1/en/print.pdf","eprel_registration_number":null,"warranty_years":null,"segment":"music","form_factor":"in_ear","bud_shape":"stemless","single_bud_use":"either","rgb_lighting":null,"drivers":null,"driver_type":"dynamic","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":96,"max_bit_depth_bits":24,"adaptive_eq":null,"sound_personalization":true,"onboard_eq":true,"eq_bands":5,"eq_presets":["Relaxed","Bass Boost","Treble Boost"],"volume_limit_db":null,"virtual_surround":["360 Reality Audio"],"head_tracking":true,"anc":true,"anc_type":"hybrid","anc_mic_count":4,"anc_adaptive":null,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":true,"transparency_adjustable":true,"adaptive_audio_mode":null,"conversation_detection":true,"wind_noise_reduction":true,"measured_frequency_response_notes":"The default measured response follows the review target through much of the bass and midrange. Response above about 2 kHz is reduced. The Treble Boost preset brings the high range closer to the target.","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":"Quiet-condition recordings provide usable speech pickup. The published street-noise recording contains processing artifacts and reduced voice clarity.","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":null,"codec":null,"hours":5.68}],"measured_battery_life_h":5.68,"measured_battery_life_with_case_h":null,"measured_charge_time_min":null,"measured_weight_g":null,"microphone_count":4,"microphone_count_total":4,"voice_pickup_sensor":null,"microphone_noise_reduction":"ai","voice_call_bandwidth":null,"mute_button":null,"sidetone":true,"chipset":"Sony Integrated Processor V1","connection_types":["bluetooth"],"bluetooth_version":"5.2","bluetooth_codecs":["SBC","AAC","LDAC","LC3"],"bluetooth_profiles":["A2DP","AVRCP","HFP","HSP","TMAP","CSIP","MCP","VCP","CCP"],"bluetooth_le_audio":true,"auracast":null,"multipoint":true,"multipoint_device_count":2,"multipoint_ldac":true,"paired_device_memory":8,"automatic_device_switching":null,"fast_pair":["google_fast_pair","microsoft_swift_pair"],"audio_sharing":null,"wireless_range_m":10,"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","windows","macos"],"platform_connections":[{"platform":"android","connection":"bluetooth","microphone_works":true},{"platform":"ios","connection":"bluetooth","microphone_works":true},{"platform":"windows","connection":"bluetooth","microphone_works":true},{"platform":"macos","connection":"bluetooth","microphone_works":true}],"feature_requirements":[{"feature":"LC3 and LE Audio","requirement":"Updated headset firmware, a maker-supported LE Audio Android device, and LE Audio Priority selected in the companion app. Delete Classic Audio pairing and pair again. Multipoint and several app functions are unavailable during LE Audio."},{"feature":"Head tracking","requirement":"Updated headset firmware, supported Android phone and OS, companion app setup and a spatial-audio-compatible service. Historical Locatone integration ended in April 2025 and is not required for the current Android feature."},{"feature":"360 Reality Audio personalization","requirement":"Companion app ear-shape analysis, compatible content and streaming service. Subscription and regional availability may apply."},{"feature":"LDAC multipoint","requirement":"Current firmware and Connect to 2 devices simultaneously enabled in the companion app. It routes one audio stream at a time."},{"feature":"Google audio switch","requirement":"Android 8.0 or later, Google Play, Google Fast Pair pairing and the same Google account on the Android devices. This is separate from Sony Auto Switch with a compatible speaker."},{"feature":"Single-bud use","requirement":"Either bud works with suitable control assignments. Service Link requires the right bud. Google Assistant or Alexa assignment can limit which bud works alone."},{"feature":"Consecutive-tap volume controls","requirement":"Updated headset firmware. Four or more left taps lower music volume and right taps raise it. During calls, adjust volume on the phone or app."}],"official_license":null,"battery_capacity_mah":null,"battery_user_replaceable":null,"battery_life_claimed":[{"mode":"anc_on","codec":"LDAC","spatial_audio":null,"with_case":false,"hours":3.5},{"mode":"transparency","codec":"LDAC","spatial_audio":null,"with_case":false,"hours":3.5},{"mode":"anc_off","codec":"LDAC","spatial_audio":null,"with_case":false,"hours":4.5},{"mode":"anc_on","codec":"AAC","spatial_audio":null,"with_case":false,"hours":6},{"mode":"transparency","codec":"AAC","spatial_audio":null,"with_case":false,"hours":6},{"mode":"anc_off","codec":"AAC","spatial_audio":null,"with_case":false,"hours":9},{"mode":"anc_on","codec":"SBC","spatial_audio":null,"with_case":false,"hours":6},{"mode":"transparency","codec":"SBC","spatial_audio":null,"with_case":false,"hours":6},{"mode":"anc_off","codec":"SBC","spatial_audio":null,"with_case":false,"hours":9},{"mode":"anc_on","codec":"LC3","spatial_audio":null,"with_case":false,"hours":5.5},{"mode":"transparency","codec":"LC3","spatial_audio":null,"with_case":false,"hours":5.5},{"mode":"anc_off","codec":"LC3","spatial_audio":null,"with_case":false,"hours":9},{"mode":"anc_on","codec":"AAC","spatial_audio":null,"with_case":true,"hours":20},{"mode":"anc_off","codec":"AAC","spatial_audio":null,"with_case":true,"hours":30},{"mode":"call","codec":null,"spatial_audio":null,"with_case":false,"hours":3.5}],"battery_life_max_h":9,"battery_life_anc_on_h":6,"battery_life_anc_off_h":9,"battery_life_with_case_h":30,"battery_life_with_case_anc_on_h":20,"talk_time_h":3.5,"charge_time_0_100_min":120,"charging_notes":null,"quick_charge_min":5,"quick_charge_playback_h":1,"case_battery_capacity_mah":450,"case_battery_user_replaceable":null,"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":["touch","voice_commands"],"volume_control":"touch","gesture_controls":["Single tap","Double tap","Triple tap","Four or more consecutive taps","Touch and hold"],"customizable_controls":true,"voice_assistant":["Google Assistant","Amazon Alexa","Siri"],"wear_detection":true,"sensors":["Infrared wearing sensors","Motion sensor"],"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":["SS","S","M","LL"],"ear_tip_materials":["silicone"],"stabilizers":null,"fit_test":true,"ip_rating":["IPX4"],"case_ip_rating":null,"water_resistance_depth_m":null,"companion_app":"Sony | Sound Connect","companion_app_platforms":["android","ios"],"firmware_updatable":true,"find_my_networks":["app_last_location"],"precision_finding":null,"live_translation":null,"weight_g":4.8,"dimensions_mm":null,"case_weight_g":35,"case_dimensions_mm":null,"hi_res_audio":["hi_res_audio_wireless"],"communication_certifications":null,"fcc_ids":null,"other_certifications":["360 Reality Audio certified"],"in_the_box":["LinkBuds S earbuds","Charging case","Hybrid silicone rubber ear tips (SS, S, M, LL pairs)","USB-A to USB-C cable"],"cables_included":[{"type":"USB-A to USB-C cable","length_m":0.2,"count":1}]},"variants":[],"sources":[{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/","kind":"manufacturer_page","accessed":"2026-10-05","fields":["manufacturer_url","series","model_numbers","markets","colors","segment"],"notes":{"manufacturer_url":"Exact Sony Japan LinkBuds S generation and current storefront. The smaller original open-ring LinkBuds WF-L900 and later LinkBuds Fit WF-LS910N are excluded.","markets":"Current exact Sony Japan store offers this model for purchase. US availability is established separately by the original launch release.","colors":"Original Black, White and Ecru plus later Earth Blue. Ear-tip construction is common but identification markings differ by finish. No unproved regional SKU rows."}},{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/spec.html","kind":"manufacturer_page","accessed":"2026-10-05","fields":["spec_sheet_url","driver_type","weight_g","bluetooth_version","bluetooth_codecs","bluetooth_profiles","wireless_range_m"],"notes":{"spec_sheet_url":"Exact maker specification table, read alongside current original 166-page manual. Proved driver diameter is 5 mm, but the physical per-bud transducer count is not explicitly stated. Optional driver table is omitted because its missing count would derive one.","driver_type":"Maker identifies closed dynamic transducer. Neodymium magnet is not treated as diaphragm material.","weight_g":"Approximate 4.8 g per unit, with M tips confirmed by manual page 165.","bluetooth_codecs":"SBC/AAC/LDAC for Classic Audio and LC3 for later LE Audio. LE features are not claimed as original May 2022 firmware.","bluetooth_profiles":"Original A2DP/AVRCP/HFP/HSP plus current TMAP/CSIP/MCP/VCP/CCP LE profiles. Current specification and manual agree.","wireless_range_m":"Approximately 10 m line of sight, not a guaranteed indoor range. Manual states obstacle and interference limitations."}},{"url":"https://helpguide.sony.net/mdr/linkbudss/v1/en/print.pdf","kind":"manual","accessed":"2026-10-05","fields":["manual_url","model_numbers","form_factor","bud_shape","single_bud_use","weight_g","case_weight_g","bluetooth_version","bluetooth_codecs","bluetooth_profiles","wireless_range_m","connection_types","compatible_platforms","platform_connections","in_the_box","cables_included","ear_tip_sizes","ear_tip_materials","charging_port","charge_time_0_100_min","case_charge_time_min","battery_life_claimed","quick_charge_min","quick_charge_playback_h","control_types","volume_control","gesture_controls","customizable_controls","voice_assistant","wear_detection","sensors","sidetone","companion_app_platforms","firmware_updatable","multipoint","multipoint_device_count","bluetooth_le_audio","fit_test","ip_rating","feature_requirements","max_sample_rate_khz"],"notes":{"manual_url":"Exact original YY2950 / WF-LS900N 166-page Help Guide, current revision 5-035-792-11(8), copyright 2022.","model_numbers":"Cover page 1 identifies Model YY2950. Contents page 2 identifies WF-LS900N.","form_factor":"Page 17 instructs sealing with a tip inside the canal. Exact diagrams show compact bodies without extending stems.","bud_shape":"Exact parts and wearing diagrams show stemless bodies.","single_bud_use":"Pages 19-20 allow either unit with suitable settings. Service Link requires right. Assistant/control assignments can restrict one-ear operation.","in_the_box":"Page 9 complete package list: earbuds, charging case, one USB-A/C cable and four pairs of hybrid silicone rubber tips. Manuals and warranty card observed in a regional teardown are not assigned to every international box.","cables_included":"Page 9 approximately 20 cm USB-A to USB-C, one cable.","ear_tip_sizes":"SS/S/M/LL, two of each, M preinstalled. Page 10 explicitly says L is not supplied and sold separately. Preliminary French sheet three S/M/L sizes is overruled by the original manual.","ear_tip_materials":"Hybrid silicone rubber is Sony naming for silicone construction, not proof of silicone/foam hybrid tips.","charge_time_0_100_min":"Page 25 approximately two hours for empty earbuds charging in a previously charged case. Page 24 empty-to-full combined earbuds/case is about three hours. Page 25 recommends ambient 15 to 35 degrees C. Page 165 rated charging-temperature range is 5 to 35 degrees C.","case_charge_time_min":"Page 165 case charging approximately three hours. Pages 24-25 define empty-to-full USB charging with supplied cable and a USB adapter able to supply at least 500 mA. Preliminary sheet calling earbuds three hours conflates the combined result.","battery_life_claimed":"Pages 27-28 separate LDAC/AAC/SBC/LC3 playback with ANC, ambient and both off. EQ, DSEE Extreme, Speak-to-Chat, wake-word assistant and Service Link reduce listed maxima. Volume and original measurement firmware are not stated. Calls are up to 3.5 hours in all three noise-control states, codec unstated. Standby 8.5 hours ANC, 8 ambient and 16 both off cannot be represented by existing runtime modes and are not stored.","quick_charge_playback_h":"Page 27 approximately one hour after five-minute charge. Exact Japan feature page footnote independently specifies AAC, ANC on, DSEE/EQ off and all other functions default.","weight_g":"Page 165 approximately 4.8 g each including M tips. Pair mass not stored as single-bud weight.","case_weight_g":"Page 165 approximately 35 g charging case, excluding buds. SoundGuys 42 g in-case figure is not substituted.","wireless_range_m":"Pages 165-166 approximate 10 m line of sight and interference caveat.","compatible_platforms":"Pages 35-48 Android/iPhone, 49-57 Windows and 58-70 macOS. No console Bluetooth microphone compatibility is inferred.","platform_connections":"Bluetooth music via A2DP and calls via HFP/HSP. Exact manual computer-call chapter covers video conferencing. Required Bluetooth adapter and application support stated. macOS chapter specifies 10.15 or later.","gesture_controls":"Page 21 single, double, triple, four-or-more taps and hold. Consecutive-tap volume support is later firmware. No original LinkBuds wide-area skin taps copied.","volume_control":"Page 21 left consecutive taps lower and right raise music volume. Page 100 explicitly says call volume cannot be adjusted on the buds and must use phone/app.","sensors":"Page 13 identifies IR wearing sensors. Motion sensing is separately maker-published. A speech-detecting motion sensor is not claimed as dedicated bone-conduction pickup.","sidetone":"Page 100 explicitly returns own voice through the headset microphone during calls.","multipoint":"Pages 76-77 two simultaneous Classic Audio source links and one playing stream at a time. Current app page 118 excludes multipoint under LE Audio.","bluetooth_le_audio":"Pages 39-41 and 97 explicitly LC3 / LE Audio with supported Android device and re-pairing. This is actual later feature support, not inferred from Bluetooth 5.2.","max_sample_rate_khz":"Page 166 publishes LDAC transmission at 96 kHz and 990 kbps. This is supported codec sample rate, not acoustic frequency response or guaranteed lossless sound.","companion_app_platforms":"Pages 34 and 120 explicitly Android/iPhone app setup. Current firmware update names Sony Sound Connect.","firmware_updatable":"Page 118 explicitly software updates through companion app.","fit_test":"Pages 17-18 app determines which supplied tips seal best. This is an acoustic fit test, not a hearing assessment.","ip_rating":"Page 133 exact IPX4 equivalent for earbuds only. Sound conduits, air holes and microphone parts are not completely watertight. Case explicitly not water resistant. No case IP class inferred.","feature_requirements":"Exact pages 19-20, 39-41, 76-78, 118 and 120 retain feature restrictions, current versus launch firmware and supported platform conditions."}},{"url":"https://www.prnewswire.com/news-releases/sony-electronics-introduces-additional-model-to-linkbuds-series-a-new-frontier-for-headphones--linkbuds-s-301549817.html","kind":"press_release","accessed":"2026-10-05","fields":["announce_date","launch_price_usd","markets","colors","anc","chipset","form_factor"],"notes":{"announce_date":"Original Sony Electronics release issued May 18, 2022, syndicated by PR Newswire. May 20 availability is a forecast here and corroborated by actual retrospective review.","launch_price_usd":"Exact US manufacturer MSRP USD 199.99, excluding tax. SoundGuys later USD 198 and current store prices are not launch MSRP.","colors":"Original White and Black at Sony US and Ecru exclusive Best Buy. Later Earth Blue separately sourced.","chipset":"Original release explicitly Sony Integrated Processor V1. Open LinkBuds and LinkBuds Fit processors are not borrowed."}},{"url":"https://www.techradar.com/reviews/sony-linkbuds-s","kind":"review_site","accessed":"2026-10-05","fields":["release_date","wireless_charging"],"notes":{"release_date":"Retrospective exact model review explicitly lists release date May 20, 2022 and says launched towards the end of May. US original press forecasts the same date. This is stronger than announcement/preorder alone.","wireless_charging":"Exact review explicitly states no wireless charging compatibility. USB-C case charging only."}},{"url":"https://www.prnewswire.com/news-releases/sony-electronics-announces-the-new-linkbuds-s-earth-blue-noise-canceling-truly-wireless-headphones-made-from-water-dispenser-bottles-and-new-model-linkbuds-uc-for-microsoft-teams-301658003.html","kind":"press_release","accessed":"2026-10-05","fields":["colors","launch_price_usd","multipoint","feature_requirements"],"notes":{"colors":"October 25, 2022 original Sony release adds Earth Blue. Its earlier colours have been available since May. Earth Blue is a later finish of the same LinkBuds S, not the LinkBuds UC for Teams announced in the same article.","launch_price_usd":"Earth Blue US original MSRP also USD 199.99. No later retail amount substituted.","multipoint":"Release states a later software update for simultaneous two-device connections, so this feature is qualified as later firmware."}},{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/feature_2.html","kind":"manufacturer_page","accessed":"2026-10-05","fields":["anc","anc_type","chipset","transparency_mode","transparency_adjustable","wind_noise_reduction","conversation_detection"],"notes":{"anc_type":"Exact Dual Noise Sensor Technology paragraph explicitly integrates feedforward and feedback methods. Activity/location profiles do not establish adaptive ANC-strength calibration or continuously blended audio.","wind_noise_reduction":"Maker describes mesh around microphones for reducing wind during ANC and ambient listening. Preliminary French sheet calls automatic wind cancellation, but this physical design is the precise published mechanism.","transparency_adjustable":"Exact maker 20 ambient-level adjustment and Voice Focus. These levels are not ANC strength levels.","conversation_detection":"Speak-to-Chat pauses playback and changes to ambient sound on voice detection. User setup and detection sensitivity affect operation."}},{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/feature_3.html","kind":"manufacturer_page","accessed":"2026-10-05","fields":["microphone_noise_reduction","sensors","feature_requirements"],"notes":{"microphone_noise_reduction":"Precise Voice Pickup algorithm explicitly trained on more than 500 million voice samples, separating wearer voice from environmental noise. Inner microphones also used for calls. This is voice noise reduction, not merely DSEE music upscaling.","sensors":"Maker explicitly identifies internal motion sensor for historical spatial application head tracking. Locatone integration ended April 21, 2025 and is not presented as a current service.","feature_requirements":"Calls require Bluetooth HFP/HSP support. Current Android head tracking separately supported by firmware and support article. Historical Locatone is not treated as a current prerequisite."}},{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/feature_4.html","kind":"manufacturer_page","accessed":"2026-10-05","fields":["chipset","hi_res_audio","onboard_eq","eq_presets","companion_app"],"notes":{"eq_presets":"Maker explicitly names Relaxed and Bass Boost among eight presets. Treble Boost is independently demonstrated by exact SoundGuys measurements. Unnamed presets are omitted.","hi_res_audio":"Exact model Hi-Res Audio Wireless / LDAC conditions. DSEE Extreme upscales to 96 kHz/24 bit and does not establish accepted input bit depth by itself.","companion_app":"Exact maker names Sound Connect, formerly Headphones Connect. Original manual old branding is retained only as historical source wording."}},{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/feature_5.html","kind":"manufacturer_page","accessed":"2026-10-05","fields":["battery_life_claimed","quick_charge_min","quick_charge_playback_h","single_bud_use","wear_detection","fast_pair","multipoint","multipoint_device_count","multipoint_ldac","paired_device_memory","voice_assistant","find_my_networks","feature_requirements"],"notes":{"battery_life_claimed":"Maker with-case 20 hours ANC on and 30 hours off. Footnote identifies AAC, DSEE/EQ off and all other settings default. No nominal full-recharge multiplication.","quick_charge_playback_h":"Five-minute charge provides up to one hour, AAC/ANC on, DSEE/EQ off, other settings default. Earbuds-only playback.","multipoint_ldac":"Current exact maker explicitly says high-quality LDAC remains available in multipoint. This does not apply to LE Audio multipoint.","paired_device_memory":"Exact maker up to eight remembered devices, separate from two simultaneous source connections.","fast_pair":"Exact Google Fast Pair and Windows 10/11 quick pairing. Manual page 49 explicitly names Microsoft Swift Pair and Windows 10 version 1803 requirement.","find_my_networks":"Current exact page describes last Android connection location/time using Google app after Fast Pair. Firmware adds new Find My Device support, but offline crowd-network eligibility is not explicit in the reopened exact documentation. Only proved last-location capability stored.","feature_requirements":"Google audio switch needs Android 8+, Google Play, same Google account and Fast Pair. Current Sony Auto Switch with a compatible speaker is a separate function and is not generic automatic switching between source devices."}},{"url":"https://www.sony.jp/headphone/products/LinkBuds_S/feature_6.html","kind":"manufacturer_page","accessed":"2026-10-05","fields":["virtual_surround","sound_personalization","other_certifications","feature_requirements"],"notes":{"sound_personalization":"Exact certified 360 Reality Audio maker section optimizes using ear shape and headphone characteristics through companion app. It is not a hearing-test profile.","virtual_surround":"360 Reality Audio content/service required. Dolby Atmos spatial rendering through optional WLA-NS7 and compatible BRAVIA XR is a separate external-system scenario, not an unqualified native earbud codec.","feature_requirements":"Companion app or Spatial Sound Personalizer ear photos plus supported service/content. No subscription-free or region-universal promise."}},{"url":"https://www.sony.co.uk/electronics/support/software/00278794","kind":"manufacturer_page","accessed":"2026-10-05","fields":["firmware_updatable","bluetooth_le_audio","head_tracking","multipoint","companion_app","feature_requirements"],"notes":{"head_tracking":"Exact LinkBuds S firmware 4.3.1 previous-benefits section explicitly adds Head Tracking. Supported phone model and Android OS required. Current feature, not original firmware.","bluetooth_le_audio":"Later update explicitly supported LE Audio with Xperia 1 V/5 V and expanded compatible-device list. No Auracast support inferred.","companion_app":"Firmware page explicitly current Sony Sound Connect app. Latest update requires Android 10+ or iOS 16+ and app 12.3+.","feature_requirements":"Later two-device connections, volume taps, LE Audio, head tracking and new Find My Device are listed explicitly. New finding is restricted to dedicated Classic Audio."}},{"url":"https://experience.sony-asia.com/ph/home/exploredetail/546","kind":"manufacturer_page","accessed":"2026-10-05","fields":["eq_bands"],"notes":{"eq_bands":"Exact maker article includes LinkBuds S in model list and explicitly five EQ frequencies plus separate Clear Bass. Five independently adjustable equalizer bands stored, bass shelf not counted as sixth."}},{"url":"https://www.52audio.com/archives/122319.html","kind":"review_site","accessed":"2026-10-05","fields":["case_battery_capacity_mah","microphone_count","microphone_count_total","anc_mic_count","sensors"],"notes":{"case_battery_capacity_mah":"Original June 20, 2022 exact WF-LS900N teardown: case label explicitly rated 450 mAh/1.732 Wh, nominal 3.85 V, SP 731834 pack. Earbud ZeniPower Z52H only 0.21 Wh/3.85 V is not converted to rounded mAh or replaced by 75 mAh aftermarket listings.","microphone_count":"Exact teardown describes two physical MEMS microphones in an earbud, both used for voice and noise cancellation. Four across the pair. Shared roles count once in total.","microphone_count_total":"Two MEMS per earbud, four across pair. Physical voice and ANC roles overlap. Motion and IR sensors not counted.","anc_mic_count":"Two MEMS per earbud explicitly used for active cancellation and call-noise pickup. Four across pair, overlapping call microphones.","sensors":"Teardown identifies optical wearing sensor and 5L1DR accelerometer. This does not establish bone/jaw speech-conduction pickup."}},{"url":"https://www.whathifi.com/reviews/sony-linkbuds-s","kind":"review_site","accessed":"2026-10-05","fields":["max_sample_rate_khz","max_bit_depth_bits"],"notes":{"max_bit_depth_bits":"Exact review explicitly describes supported LDAC input up to 24-bit/96 kHz at up to 990 kbps from compatible source such as Xperia 1 III. This is codec input capability, not DSEE upscaling or lossless transmission.","max_sample_rate_khz":"Exact LDAC supported source conditions. Other codecs need their own limits."}},{"url":"https://www.soundguys.com/sony-linkbuds-s-review-74398/","kind":"measurement","accessed":"2026-10-05","fields":["measured_battery_life","measured_frequency_response_notes","measured_microphone_notes","eq_presets"],"notes":{"measured_battery_life":"Exact review tested 5 hours 41 minutes with continuous real music peaking at 75 dB(SPL). ANC state, codec and original firmware not explicit in that paragraph and omitted. Informal experience of case total is not a measured full-case rundown.","measured_frequency_response_notes":"Published default and Treble Boost lab curves relative to SoundGuys target. Fixture revision, original firmware and codec unstated. Point 35 dB attenuation around 200 Hz does not establish a band-average isolation figure.","measured_microphone_notes":"Published ideal, office and street demos with explicit processing-artifact discussion. No numeric handling score or unlabelled codec inferred.","eq_presets":"Exact tested Treble Boost preset is explicitly named and compared against default."}},{"url":"https://boulanger.scene7.com/is/content/Boulanger/4548736144873_f_0","kind":"manufacturer_pdf","accessed":"2026-10-05","fields":["spec_sheet_url","driver_type","chipset","hi_res_audio"],"notes":{"spec_sheet_url":"Original Sony France preliminary two-page product sheet, reopened from distributor. 5 mm dynamic and V1 agree. Three-tip S/M/L package, 3-hour earbud charge and 3 h 50 min call claims conflict with original manual and are rejected. Printed case axes 42.8 x 60 x 27.6 mm in width/height/depth order conflict with other maker tuple conventions, so case dimensions remain absent. Numeric diameter retained here without unsafe count-derived table."}},{"url":"https://m.gsmarena.com/sony_unveils_linkbuds_open_with_open_design_linkbuds_fit_replace_the_linkbuds_s-amp-64762.php","kind":"review_site","accessed":"2026-10-23","fields":["successor"],"notes":{"successor":"GSMArena says the LinkBuds Fit replaces the LinkBuds S and calls it the sequel to the LinkBuds S."}},{"url":"https://www.tomsguide.com/audio/sony-revives-linkbuds-series-with-a-focus-on-style-and-fit-can-they-beat-bose","kind":"review_site","accessed":"2026-10-23","fields":["successor"],"notes":{"successor":"Tom's Guide says the LinkBuds Fit takes over for the LinkBuds S."}}],"fields_filled":88,"updated":"2026-10-23"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}