{"data":{"slug":"ozlo-sleepbuds-2","type":"earbuds","brand":"Ozlo","name":"Sleepbuds 2","aliases":["Ozlo Sleepbuds 2","Sleepbuds 2","010021C01WW01"],"release_date":"2026-07","url":"https://arkivo.dev/earbuds/ozlo-sleepbuds-2","specs":{"series":"Sleepbuds","model_numbers":["010021C01WW01"],"gtins":["850070961165"],"announce_date":"2026-07-28","status":"available","predecessor":null,"successor":null,"launch_price_usd":279,"launch_price_eur":null,"markets":["US","EU","GB"],"colors":null,"manufacturer_url":"https://ozlosleep.com/products/sleepbuds","spec_sheet_url":null,"manual_url":"https://ozlosleep.com/blogs/blogs/sleepbuds-2-guide","eprel_registration_number":null,"warranty_years":1,"segment":"sleep","form_factor":"in_ear","bud_shape":"stemless","single_bud_use":null,"rgb_lighting":null,"drivers":[{"type":"balanced_armature","role":null,"size_mm":null,"count":null}],"driver_type":"balanced_armature","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":null,"eq_presets":["Balance","Focus","Spoken Word","Airplane Mode"],"volume_limit_db":null,"virtual_surround":null,"head_tracking":null,"anc":false,"anc_type":null,"anc_mic_count":null,"anc_adaptive":null,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":false,"transparency_adjustable":null,"adaptive_audio_mode":null,"conversation_detection":null,"wind_noise_reduction":null,"measured_frequency_response_notes":null,"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":null,"measured_microphone_lfe_hz":null,"measured_microphone_hfe_hz":null,"measured_microphone_noise_handling_db":null,"measured_latency":null,"measured_latency_bluetooth_ms":null,"measured_latency_2_4ghz_ms":null,"measured_latency_game_mode_ms":null,"measured_battery_life":null,"measured_battery_life_h":null,"measured_battery_life_with_case_h":null,"measured_charge_time_min":null,"measured_weight_g":null,"microphone_count":0,"microphone_count_total":0,"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":null,"bluetooth_profiles":["A2DP"],"bluetooth_le_audio":true,"auracast":null,"multipoint":false,"multipoint_device_count":null,"multipoint_ldac":null,"paired_device_memory":null,"automatic_device_switching":null,"fast_pair":null,"audio_sharing":null,"wireless_range_m":null,"wireless_receiver":null,"receiver_connector":null,"simultaneous_2_4ghz_bluetooth":null,"low_latency_mode":null,"latency_claimed":null,"latency_claimed_min_ms":null,"compatible_platforms":["android","ios"],"platform_connections":null,"feature_requirements":[{"feature":"Setup and audio streaming","requirement":"A phone and an active Bluetooth connection are needed to set up the earbuds and to stream audio. The earbuds connect to the Smart Case and the Smart Case connects to the phone."},{"feature":"Ozlo Sleep app","requirement":"Android 12 or later. The product page says iOS 17 or later on iPhone and iPad. The help center says iOS 18 or later on iPhone and iPad."},{"feature":"Phone-free Sleep Sound","requirement":"The earbuds can start the built-in Sleep Sound when taken out of the case, with no phone or Bluetooth connection. This is set up in the app."},{"feature":"In-ear alarm","requirement":"Set in the Ozlo app. It works without a phone connection and in Bluetooth Disabled mode."},{"feature":"Battery test","requirement":"Ozlo test with streaming audio and Sleep Sounds at 50 percent volume."}],"official_license":null,"battery_capacity_mah":null,"battery_user_replaceable":null,"battery_life_claimed":[{"mode":"anc_off","codec":null,"spatial_audio":null,"with_case":false,"hours":14}],"battery_life_max_h":14,"battery_life_anc_on_h":null,"battery_life_anc_off_h":14,"battery_life_with_case_h":null,"battery_life_with_case_anc_on_h":null,"talk_time_h":null,"charge_time_0_100_min":180,"charging_notes":"The Smart Case holds an additional 2 to 3 charges for the earbuds. The maker gives no total runtime with the case.","quick_charge_min":null,"quick_charge_playback_h":null,"case_battery_capacity_mah":null,"case_battery_user_replaceable":null,"charging_port":"usb_c","case_charge_time_min":150,"wireless_charging":false,"wireless_charging_standards":null,"wireless_charging_max_w":null,"case_speaker":null,"case_screen":null,"case_audio_transmitter":null,"control_types":null,"volume_control":"none","gesture_controls":null,"customizable_controls":null,"voice_assistant":null,"wear_detection":null,"sensors":["Sleep-detecting accelerometer in the earbuds","Ambient noise detection in the Smart Case","Ambient temperature sensor in the Smart Case","Ambient light sensor in the Smart Case"],"heart_rate_sensor":null,"skin_temperature":null,"hearing_aid_feature":null,"medical_clearances":null,"hearing_test":null,"loud_sound_reduction":null,"health_features":["Sleep tracking with Sleep Patterns","Room noise, light and temperature tracking in the Smart Case"],"ear_tip_sizes":["0 (extra small)","1 (small)","2 (medium)","3 (large)"],"ear_tip_materials":["silicone"],"stabilizers":["wing_tips"],"fit_test":null,"ip_rating":["IPX4"],"case_ip_rating":null,"water_resistance_depth_m":null,"companion_app":"Ozlo Sleep app","companion_app_platforms":["android","ios"],"firmware_updatable":true,"find_my_networks":null,"precision_finding":null,"live_translation":null,"weight_g":1.6,"dimensions_mm":{"width_mm":17,"height_mm":11,"depth_mm":12},"case_weight_g":96,"case_dimensions_mm":{"width_mm":78,"height_mm":78,"depth_mm":27},"hi_res_audio":null,"communication_certifications":null,"fcc_ids":["2BAGA010021L","2BAGA010021"],"other_certifications":null,"in_the_box":["Sleepbuds 2 earbuds","Smart Case (charging and storage case)","4 sizes of soft silicone tips","Charging cable","Quick Start Guide"],"cables_included":[{"type":"USB-C","length_m":null,"count":1}]},"variants":[],"sources":[{"url":"https://ozlosleep.com/products/sleepbuds","kind":"manufacturer_page","accessed":"2026-10-15","fields":["series","segment","manufacturer_url","launch_price_usd","markets","warranty_years","form_factor","bud_shape","anc","microphone_count","microphone_count_total","connection_types","bluetooth_version","bluetooth_profiles","bluetooth_le_audio","compatible_platforms","feature_requirements","battery_life_claimed","charging_notes","charging_port","wireless_charging","sensors","health_features","ear_tip_sizes","ear_tip_materials","ip_rating","companion_app","companion_app_platforms","weight_g","dimensions_mm","case_weight_g","case_dimensions_mm","in_the_box"],"notes":{"series":"The product page and its user guide pages call the line Sleepbuds. The first generation is the Ozlo Sleepbuds.","segment":"Maker: sleep earbuds, designed for sleep only.","launch_price_usd":"The US store lists 279 USD with a free sleep mask for a limited time. SoundGuys news and the Tom's Guide launch review give the 279 USD launch price.","markets":"US store plus Europe (ozlosleep.eu) and UK (ozlosleep.co.uk) stores. Documented subset. The warranty is 1 year in the US and 2 years in the EU and UK. No euro or pound launch price is stored, since only current store prices were found.","warranty_years":"FAQ: Ozlo Sleepbuds come with a 1-year warranty. In the EU and UK, that is extended to two years. The US term is stored.","form_factor":"Passive noise cancellation via silicone tips (not ANC). The silicone tips seal the ear.","bud_shape":"The earbuds are a small low-profile body with no stalk, as shown on the product page. A silicone tip with a wing carries each body.","anc":"Tech specs, Noise Masking: passive noise cancellation via silicone tips (not ANC). FAQ: block and replace noise masking is different from active noise cancellation.","microphone_count":"Tech specs: No microphone, designed for sleep only. FAQ: there is no microphone in the Sleepbuds to support phone calls.","microphone_count_total":"No microphone in the earbuds. The Smart Case has a microphone that only measures room noise. The case is excluded from this count.","connection_types":"Bluetooth only. The Smart Case connects to the phone over Bluetooth Classic.","bluetooth_version":"Connection section: Bluetooth 5.3 radios.","bluetooth_profiles":"Connectivity: Bluetooth 5.3 (A2DP + Low Energy Audio). Only A2DP is named as an audio profile.","bluetooth_le_audio":"Connectivity: Bluetooth 5.3 radios supporting A2DP and Low Energy Audio (LEA) enabled streaming. No independent test of LE Audio was found.","compatible_platforms":"The page lists streaming from any Bluetooth source and the Ozlo Sleep app for iOS and Android.","feature_requirements":"FAQ and System Requirements sections.","battery_life_claimed":"Up to 14 hours on a single charge. Footnote: Ozlo testing with Sleepbuds 2 playing streaming audio and Sleep Sounds at 50 percent volume. Results with other audio, volume, Bluetooth use and features vary. No codec is named. The case claim is stored as charging guidance because the maker gives only a number of recharges.","charging_notes":"Battery section: the Smart Case holds an additional 2-3 charges. SoundGuys measured roughly three to four recharges.","charging_port":"Charges via USB-C. The charging cable is in the box.","wireless_charging":"FAQ: Does the Smart Case support wireless charging? No.","sensors":"Sensors section: Smart Case button, ambient noise detection, ambient temperature sensor and ambient light sensor. Sleepbuds: sleep-detecting accelerometer.","health_features":"Sleep Patterns tracking in the Ozlo Sleep app, with environment insights from the Smart Case sensors.","ear_tip_sizes":"In the box: 4 sizes of soft silicone tips. Size names are in the hardware overview guide and the Tom's Guide review.","ear_tip_materials":"Soft silicone tips.","ip_rating":"Sleepbuds offer protection against dust, sweat and light rain (IPX4). No dust rating is given, so the rating is IPX4.","companion_app":"Ozlo Sleep App, iOS and Android.","companion_app_platforms":"Ozlo Sleep App for iOS and Android. Android 12 or later, iOS 17 or later.","weight_g":"Tech specifications: 0.06 oz (1.6 g each), without the silicone tip.","dimensions_mm":"Tech specifications, earbuds without silicone tip: height 11 mm, width 17 mm, depth 12 mm. Axes are labelled by the maker.","case_weight_g":"Smart Case without Sleepbuds inside: 3.5 oz (96 g).","case_dimensions_mm":"Smart Case: height 78 mm, width 78 mm, depth 27 mm. Axes are labelled by the maker.","in_the_box":"Included in the box: Ozlo Sleepbuds, charging and storage case, 4 sizes of soft silicone tips, charging cable."}},{"url":"https://ozlosleep.com/products/sleepbuds.js","kind":"manufacturer_page","accessed":"2026-10-15","fields":["model_numbers","gtins","status"],"notes":{"model_numbers":"US store product data: SKU 010021C01WW01, a single variant.","gtins":"US store barcode field: 850070961165. The Europe and UK store feeds list the same SKU and barcode.","status":"US store lists the product as available on 2026-10-15."}},{"url":"https://www.soundguys.com/ozlo-sleepbuds-2-launch-160755/","kind":"press","accessed":"2026-10-15","fields":["launch_price_usd","release_date","announce_date"],"notes":{"launch_price_usd":"SoundGuys news, 29 Jul 2026: Ozlo Sleepbuds 2, a 279 USD pair.","release_date":"News dated 29 July 2026, one day after the launch. SoundGuys lists the product release date as 29 July 2026. The US store product page was published on 27 July 2026.","announce_date":"The Tom's Guide launch review is dated 28 July 2026 and says the Sleepbuds 2 launch today."}},{"url":"https://www.tomsguide.com/wellness/sleep-tech/ozlo-sleepbuds-2","kind":"review_site","accessed":"2026-10-15","fields":["announce_date","eq_presets","stabilizers","ear_tip_sizes","launch_price_usd","volume_control"],"notes":{"announce_date":"Published 28 July 2026: the Sleepbuds 2 launch today.","eq_presets":"Audio Tuning profiles in the app: Balance, Focus, Spoken Word and Airplane Mode. Ozlo calls this tuning. It changes the audio for the content or the setting.","stabilizers":"Review: custom-fit soft silicone wingtips act as an anchor. Sizes run from 0 to 3, with size 2 fitted.","ear_tip_sizes":"Review: wing tip sizes range from 0 (smallest) to 3 (biggest), size 2 pre-loaded.","launch_price_usd":"Review: launching with a sale price of 279 USD.","volume_control":"Review, App and controls: in the app you can select the soundscape, set the in-ear alarm, adjust the volume or change the Sleep Mode. No earbud controls are described."}},{"url":"https://www.soundguys.com/ozlo-sleepbuds-2-review-161143/","kind":"review_site","accessed":"2026-10-15","fields":["multipoint","wireless_charging","charging_notes","form_factor"],"notes":{"multipoint":"Review cons: no Bluetooth multipoint. The buds can only connect to one device at a time. Firmware 02.11.2606011.","wireless_charging":"Review cons: the case charges over USB-C only and has no wireless charging.","charging_notes":"Review: after streaming for eight hours about 30 percent was left, and the case adds roughly three to four full recharges.","form_factor":"Review: passive isolation depends on how well the silicone tips seal in your ears."}},{"url":"https://ozlosleep.com/blogs/user-guide/hardware-overview","kind":"manual","accessed":"2026-10-15","fields":["ear_tip_sizes"],"notes":{"ear_tip_sizes":"Sleepbuds hardware overview guide (dated 4 August 2026): 4 different size silicone tips numbered 0 extra small, 1 small, 2 medium and 3 large. The guide is written for the Ozlo Sleepbuds family and Tom's Guide confirms sizes 0 to 3 for the Sleepbuds 2."}},{"url":"https://techcrunch.com/2026/07/28/ozlos-sleepbuds-2-build-on-boses-sleep-earbud-legacy/","kind":"press","accessed":"2026-10-15","fields":["launch_price_usd","announce_date"],"notes":{"launch_price_usd":"TechCrunch, 28 Jul 2026: priced at 279 USD, 30 USD above the original Sleepbuds. A sleep mask and travel case come with a purchase for a limited time.","announce_date":"Unveiled on Tuesday 28 July 2026."}},{"url":"https://the-gadgeteer.com/2026/07/29/ozlo-sleepbuds-2-sleep-earbuds/","kind":"press","accessed":"2026-10-15","fields":["transparency_mode"],"notes":{"transparency_mode":"Article of 29 Jul 2026: no microphone array, no transparency mode and no calls. The earbuds have no microphones, so a transparency mode cannot exist."}},{"url":"https://ozlo-sleepbuds-2.gorgias.help/en-US/battery-and-charging-specs-7597612","kind":"manufacturer_page","accessed":"2026-10-21","fields":["charge_time_0_100_min","case_charge_time_min"],"notes":{"charge_time_0_100_min":"Ozlo Sleepbuds 2 help center, Battery & Charging Specs: Sleepbuds full charge approximately 3 hours. The article How long do Sleepbuds 2 take to charge gives the same figure. The Sleepbuds charge only in the Smart Case. Maker estimate, not a measurement.","case_charge_time_min":"Same article: Smart Case full charge about 2.5 hours under normal conditions, by USB-C. The user guide pages written for the original Sleepbuds say up to 8 hours with the Sleepbuds outside the case, so the Sleepbuds 2 help center figure is used."}},{"url":"https://ozlo-sleepbuds-2.gorgias.help/en-US/what-are-the-app-requirements-7597631","kind":"manufacturer_page","accessed":"2026-10-21","fields":["feature_requirements"],"notes":{"feature_requirements":"Help center, What are the app requirements: iOS 18 or later on iPhone and iPad, Android 12 or later on phones. The product page FAQ says iOS 17 or later. Both are kept in the requirement text, since the maker documents disagree. The App Content and Sound Library Specs article says iOS 18 or later and Android 12 or later."}},{"url":"https://ozlo-sleepbuds-2.gorgias.help/en-US/what-are-the-specific-differences-between-the-original-sleepbuds-and-sleepbuds-2-7597351","kind":"manufacturer_page","accessed":"2026-10-21","fields":["volume_control"],"notes":{"volume_control":"Help center comparison table, Phone-Free Controls: the original Sleepbuds need the Ozlo app. Sleepbuds 2 add a multifunction button on the Smart Case for pairing and playback control. No control on the earbuds is documented, and the maker hardware overview lists none. Volume is set in the Ozlo app. The Smart Case button has no volume function."}},{"url":"https://ozlosleep.com/blogs/blogs/sleepbuds-2-guide","kind":"manual","accessed":"2026-10-21","fields":["manual_url","in_the_box","cables_included"],"notes":{"manual_url":"Ozlo Complete Guide for Sleepbuds 2: unboxing, setup, Smart Case button, sleep modes and care. No PDF manual was found.","in_the_box":"Section 1 Unboxing: Sleepbuds 2, Smart Charging Case, USB-C charging cable, four sizes of silicone ear tips and Quick Start Guide.","cables_included":"Section 1 Unboxing: one USB-C charging cable. No length or other connector is stated."}},{"url":"https://ozlosleep.com/blogs/release-notes/tagged/sleepbuds","kind":"manufacturer_page","accessed":"2026-10-21","fields":["firmware_updatable"],"notes":{"firmware_updatable":"Release notes list Sleepbuds 2 firmware 02.11.2606025 for the Smart Case, both earbuds and the Bluetooth module, with an Update with Web App button. The iOS app note mentions faster firmware update downloads. The Ozlo site also links a Sleepbuds Updater."}},{"url":"https://fccid.io/2BAGA010021L","kind":"regulatory","accessed":"2026-10-21","fields":["fcc_ids"],"notes":{"fcc_ids":"FCC grant 2BAGA010021L for the Sleepbuds earbuds, model 010021L, applicant Drowsy Digital Inc (the company named in the Ozlo site copyright), granted 2026-05-22. Product code 010021 matches the Sleepbuds 2 SKU 010021C01WW01. The first generation grant is 2BAGA010011L. The case grant 2BAGA010021 is the second entry."}},{"url":"https://fccid.io/2BAGA010021","kind":"regulatory","accessed":"2026-10-21","fields":["fcc_ids"],"notes":{"fcc_ids":"FCC grant 2BAGA010021 for the Charging Case, model 010021, applicant Drowsy Digital Inc, granted 2026-05-22. The SAR report lists a 75 x 75 x 25 mm case body. The maker states 78 x 78 x 27 mm."}},{"url":"https://audioxpress.com/news/ozlo-launches-sleepbuds-2-expanding-sleep-earbuds-as-a-specialized-audio-category","kind":"press","accessed":"2026-10-21","fields":["driver_type","drivers"],"notes":{"driver_type":"audioXpress, launch news: Ozlo says Sleepbuds 2 use a super-efficient custom audio amplifier paired with a new balanced armature driver. The maker product page, help center and press release name an amplifier but no driver type.","drivers":"Same sentence names one new balanced armature driver. No count, role or size is stated, so only the type is stored."}}],"fields_filled":52,"updated":"2026-10-21"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}