{"data":{"slug":"cmf-buds-2","type":"earbuds","brand":"CMF","name":"Buds 2","aliases":["CMF Buds 2","CMF Buds2","Nothing CMF Buds 2"],"release_date":"2025-05","url":"https://arkivo.dev/earbuds/cmf-buds-2","specs":{"series":null,"model_numbers":null,"gtins":["6974434225053","6974434225077","6974434225039"],"announce_date":"2025-04-28","status":"available","predecessor":null,"successor":null,"launch_price_usd":59,"launch_price_eur":49.95,"markets":["US","DE"],"colors":["Light Green","Dark Grey","Orange"],"manufacturer_url":"https://us.nothing.tech/products/cmf-buds-2","spec_sheet_url":"https://us.nothing.tech/products/cmf-buds-2","manual_url":null,"eprel_registration_number":null,"warranty_years":1,"segment":"music","form_factor":"in_ear","bud_shape":"stem","single_bud_use":null,"rgb_lighting":null,"drivers":[{"type":"dynamic","role":null,"size_mm":11,"count":1}],"driver_type":"dynamic","driver_size_mm":11,"drivers_per_side":1,"driver_diaphragm_material":"PMI (Polymethacrylimide) + PU (Polyurethane)","frequency_response_hz":{"min_hz":20,"max_hz":20000},"impedance_ohm":null,"sensitivity_db":null,"sensitivity_reference":null,"max_sample_rate_khz":null,"max_bit_depth_bits":null,"adaptive_eq":null,"sound_personalization":false,"onboard_eq":null,"eq_bands":3,"eq_presets":["Dirac Opteo","Pop","Rock","Classical","Electronic","Enhance Vocals"],"volume_limit_db":null,"virtual_surround":["Spatial Audio Effect"],"head_tracking":null,"anc":true,"anc_type":"hybrid","anc_mic_count":null,"anc_adaptive":true,"anc_levels":3,"anc_claimed_attenuation_db":48,"transparency_mode":true,"transparency_adjustable":null,"adaptive_audio_mode":null,"conversation_detection":null,"wind_noise_reduction":true,"measured_frequency_response_notes":"Default Dirac Opteo preset. About 5 to 9 dB more low-end than the SoundGuys house curve. About 3 to 4 dB under the curve between 3 and 6 kHz.","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":"SoundGuys describes good clarity and natural tonality in ideal conditions and effective wind noise reduction outdoors. Street conditions work better than a busy office, where ringing phones still come through.","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":13.28}],"measured_battery_life_h":13.28,"measured_battery_life_with_case_h":null,"measured_charge_time_min":null,"measured_weight_g":null,"microphone_count":6,"microphone_count_total":6,"voice_pickup_sensor":null,"microphone_noise_reduction":"ai","voice_call_bandwidth":null,"mute_button":false,"sidetone":null,"chipset":null,"connection_types":["bluetooth"],"bluetooth_version":"5.4","bluetooth_codecs":["AAC","SBC"],"bluetooth_profiles":null,"bluetooth_le_audio":null,"auracast":null,"multipoint":true,"multipoint_device_count":2,"multipoint_ldac":null,"paired_device_memory":null,"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":true,"latency_claimed":[{"connection":"bluetooth","mode":"Game Mode with a Nothing phone","latency_ms":110}],"latency_claimed_min_ms":110,"compatible_platforms":["android","ios"],"platform_connections":[{"platform":"android","connection":"bluetooth","microphone_works":null},{"platform":"ios","connection":"bluetooth","microphone_works":null}],"feature_requirements":[{"feature":"Custom controls and advanced settings","requirement":"Turn on custom controls with a phone. Nothing OS 1.5.6 or later has the settings built in. Other Android 6.0 or later and iOS 13 or later devices use the Nothing X app."},{"feature":"110 ms Game Mode latency","requirement":"Earbuds paired with a Nothing phone with Game Mode turned on."},{"feature":"Google Fast Pair","requirement":"Supported Android device with Google Play services 11.7 or later. Android 6.0 or later. Find My and device renaming need Android 10 or later."},{"feature":"Clear Voice Technology 3.0","requirement":"Applies only when the microphones record voice, such as on a call or a voice message."}],"official_license":null,"battery_capacity_mah":53,"battery_user_replaceable":null,"battery_life_claimed":[{"mode":"anc_off","codec":"AAC","spatial_audio":null,"with_case":false,"hours":13.5},{"mode":"anc_off","codec":"AAC","spatial_audio":null,"with_case":true,"hours":55},{"mode":"anc_on","codec":null,"spatial_audio":null,"with_case":false,"hours":7.5},{"mode":"anc_on","codec":null,"spatial_audio":null,"with_case":true,"hours":32},{"mode":"call","codec":null,"spatial_audio":null,"with_case":false,"hours":8.5},{"mode":"call","codec":null,"spatial_audio":null,"with_case":true,"hours":35},{"mode":"call","codec":null,"spatial_audio":null,"with_case":false,"hours":7},{"mode":"call","codec":null,"spatial_audio":null,"with_case":true,"hours":30}],"battery_life_max_h":13.5,"battery_life_anc_on_h":7.5,"battery_life_anc_off_h":13.5,"battery_life_with_case_h":55,"battery_life_with_case_anc_on_h":32,"talk_time_h":8.5,"charge_time_0_100_min":62,"charging_notes":"The maker charging time table lists Full Charge 93 minutes and Earbuds in Case 62 minutes. It does not say whether the earbuds sit inside the case for the 93 minute figure. A 5 V 1 A adapter or higher is needed for fast charging.","quick_charge_min":10,"quick_charge_playback_h":4,"case_battery_capacity_mah":460,"case_battery_user_replaceable":null,"charging_port":"usb_c","case_charge_time_min":null,"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"],"volume_control":"touch","gesture_controls":["Double tap","Triple tap","Tap and hold","Double tap and hold"],"customizable_controls":true,"voice_assistant":["Voice assistant"],"wear_detection":true,"sensors":null,"heart_rate_sensor":null,"skin_temperature":null,"hearing_aid_feature":null,"medical_clearances":null,"hearing_test":false,"loud_sound_reduction":null,"health_features":null,"ear_tip_sizes":["S","M","L"],"ear_tip_materials":["silicone"],"stabilizers":null,"fit_test":true,"ip_rating":["IP55"],"case_ip_rating":["IPX2"],"water_resistance_depth_m":null,"companion_app":"Nothing X","companion_app_platforms":["android","ios"],"firmware_updatable":true,"find_my_networks":null,"precision_finding":null,"live_translation":null,"weight_g":4.5,"dimensions_mm":{"width_mm":20.6,"height_mm":33.4,"depth_mm":22.8},"case_weight_g":41.5,"case_dimensions_mm":{"width_mm":53.3,"height_mm":53.3,"depth_mm":23},"hi_res_audio":null,"communication_certifications":null,"fcc_ids":null,"other_certifications":["EU RoHS","REACH"],"in_the_box":["Pair of earbuds","Charging case","Ear tips in size S, M, L","User guide","Safety information and warranty information"],"cables_included":null},"variants":[{"gtin":"6974434225053","colors":["Light Green"]},{"gtin":"6974434225077","colors":["Dark Grey"]},{"gtin":"6974434225039","colors":["Orange"]}],"sources":[{"url":"https://us.nothing.tech/products/cmf-buds-2","kind":"manufacturer_page","accessed":"2026-10-15","fields":["status","colors","manufacturer_url","spec_sheet_url","segment","form_factor","bud_shape","drivers","driver_type","driver_diaphragm_material","virtual_surround","anc","anc_type","anc_adaptive","anc_claimed_attenuation_db","transparency_mode","wind_noise_reduction","microphone_count","microphone_count_total","microphone_noise_reduction","connection_types","bluetooth_version","bluetooth_codecs","multipoint","multipoint_device_count","fast_pair","wireless_range_m","low_latency_mode","latency_claimed","compatible_platforms","platform_connections","feature_requirements","battery_capacity_mah","battery_life_claimed","charge_time_0_100_min","charging_notes","quick_charge_min","quick_charge_playback_h","case_battery_capacity_mah","charging_port","control_types","volume_control","gesture_controls","customizable_controls","voice_assistant","wear_detection","ear_tip_sizes","ip_rating","case_ip_rating","companion_app","companion_app_platforms","firmware_updatable","weight_g","dimensions_mm","case_weight_g","case_dimensions_mm","other_certifications","in_the_box"],"notes":{"spec_sheet_url":"The public product page embeds the full Technical Specs tables. The same tables appear on the India page. Selected reference is the US store listing.","drivers":"Custom 11 mm dynamic driver. One per bud. The acoustic role is not published.","virtual_surround":"Spatial Audio Effect powered by an HRTF-based algorithm. Head tracking is not mentioned.","anc_adaptive":"Environmental Adaptive mode adjusts noise reduction in real time to the surroundings.","anc_claimed_attenuation_db":"Up to 48 dB. Footnote says this is a theoretical maximum from the Nothing laboratory. Cancellation frequency range is 5200 Hz.","wind_noise_reduction":"Wind Noise Reduction 3.0 is listed under call functions. It improves microphone clarity on calls.","microphone_count":"Maker footnote says 3 HD microphones per bud, 6 in total.","microphone_count_total":"Maker lists 6 microphones in total. The split between call and ANC use is not published.","microphone_noise_reduction":"Maker text calls Clear Voice Technology 3.0 AI-powered.","multipoint":"Listed as Dual Connection: Yes.","multipoint_device_count":"Dual Connection is two simultaneous source devices.","latency_claimed":"Spec table says less than 110 ms with a Nothing phone in Game Mode. Footnote says as low as 110 ms. Stored as 110 ms.","battery_life_claimed":"Maker playback and talk time tables. Lab test at 25 C. The 55 hour footnote states ANC off, 50% volume, AAC and other settings at default. The ANC on and call rows state no codec. Call rows 8.5 and 35 hours are ANC off. Call rows 7 and 30 hours are ANC on. The call mode cannot encode ANC, so these conditions stay here. Case totals include the initial earbud charge.","charge_time_0_100_min":"Maker table row Earbuds in Case, 62 minutes.","quick_charge_min":"Maker Fast charging row for the Type-C cable states a 10 minute charge. The row label says Full charge, but the marketing text and the GSMArena test both describe a 10 minute charge.","quick_charge_playback_h":"Earbuds-only 4 hours after a 10 minute wired charge. Playback with the case is 7.5 hours and is excluded. Charging from an unplugged case for 10 minutes gives 2.4 hours earbuds-only and 4 hours with the case. ANC, codec and volume are not stated for this claim.","case_battery_capacity_mah":"Case capacity 460 mAh. Typical versus rated is not stated.","battery_capacity_mah":"Earbud capacity 53 mAh. Typical versus rated is not stated.","volume_control":"Footnote lists volume up and volume down as assignable touch functions.","gesture_controls":"Footnote lists double tap, triple tap, tap and hold, and double tap and hold as assignable. Defaults are in the touch controls table.","voice_assistant":"Footnote lists voice assistant as an assignable function. No particular assistant brand is named in the specs.","case_ip_rating":"Spec list shows IPX2 for the case. Footnote says the case is not rated for water-proofing.","ip_rating":"Earbuds tested to IP55 under IEC 60529 per footnote.","ear_tip_sizes":"In-the-box list names S, M and L tips.","dimensions_mm":"Maker lists Height 33.4 mm, Width 20.6 mm, Depth 22.8 mm for the buds.","case_dimensions_mm":"Maker lists Height 53.3 mm, Width 53.3 mm, Depth 23 mm for the case.","case_weight_g":"Maker case weight 41.5 g. The buds are not included in this figure.","other_certifications":"Footnote states restricted substance tests including EU RoHS and REACH, plus skin irritation and sensitivity tests.","firmware_updatable":"Nothing X app lists software updates.","wear_detection":"Listed as In-ear detection."}},{"url":"https://checkout-us.nothing.tech/products/cmf-buds-2.js","kind":"manufacturer_page","accessed":"2026-10-15","fields":["gtins","variants"],"notes":{"gtins":"Maker store lists the SKU and the barcode with the same value for each colour. All three are valid EAN-13 numbers with prefix 697443. Light Green 6974434225053, Dark Grey 6974434225077, Orange 6974434225039.","variants":"One variant per colour. Colour names match the product page."}},{"url":"https://us.nothing.tech/pages/terms-of-sales","kind":"manufacturer_page","accessed":"2026-10-15","fields":["warranty_years"],"notes":{"warranty_years":"US direct-store limited warranty for headphones and other electronic devices is twelve months from delivery. It applies to the US store, not worldwide."}},{"url":"https://www.androidcentral.com/accessories/earbuds/cmf-buds-2-series-announced-globally","kind":"press","accessed":"2026-10-15","fields":["announce_date","release_date"],"notes":{"announce_date":"Pre-orders started on 28 April 2025.","release_date":"Open sale began on 6 May 2025 through the Nothing website and retail partners. Stored May 2025 is the retail month. nextpit also gives May 2025 as the German market start."}},{"url":"https://www.techradar.com/phones/nothing-phones/nothing-reveals-tempting-cmf-phone-2-pro-pricing-and-specs-alongside-bargain-wireless-earbuds","kind":"press","accessed":"2026-10-15","fields":["launch_price_usd"],"notes":{"launch_price_usd":"Launch report gives $59 for the CMF Buds 2. SoundGuys and GSMArena also give a $59 launch price. A pulled early store listing reportedly showed $59.99. The current store price of $49 is not a launch price."}},{"url":"https://www.nextpit.de/in-ear-kopfhoerer/cmf-buds-2","kind":"spec_database","accessed":"2026-10-15","fields":["launch_price_eur","markets"],"notes":{"launch_price_eur":"German recommended retail price 49.95 EUR including VAT. inside-digital.de gives the same figure. Android Central rounds to 49 EUR. A pre-launch report also names 49.95 EUR.","markets":"Maker store evidence for the US. nextpit gives May 2025 availability in Germany."}},{"url":"https://www.soundguys.com/cmf-buds-2-review-137571/","kind":"measurement","accessed":"2026-10-15","fields":["eq_bands","eq_presets","wireless_charging","measured_frequency_response_notes","measured_microphone_notes"],"notes":{"eq_bands":"Three-band custom equalizer in the Nothing X app. GSMArena also describes a 3-band circular EQ.","wireless_charging":"Review says there is no wireless charging support. The maker lists none.","eq_presets":"Reviewer lists Dirac Opteo, Pop, Rock, Electronic, Classical and a Vocals preset. Maker app name for the last one is Enhance Vocals per Expert Reviews. Custom is a separate option.","measured_frequency_response_notes":"Firmware 1.0.128, five days of testing, company-provided unit. SoundGuys house curve. The reviewer also reports ANC attenuation peaking around 35 to 38 dB in some ranges. This is not stored as an overall figure.","measured_microphone_notes":"Reviewer observations from published ideal, office, street, windy and reverberant demos. Firmware 1.0.128."}},{"url":"https://www.soundguys.com/product/cmf-by-nothing-buds-2/","kind":"spec_database","accessed":"2026-10-15","fields":["frequency_response_hz"],"notes":{"frequency_response_hz":"SoundGuys spec list gives 20 to 20000 Hz. Smartprix gives the same range. Neither the maker page nor a document states it and no measurement condition is given."}},{"url":"https://m.gsmarena.com/nothing_cmf_buds_2_review-news-68160.php","kind":"measurement","accessed":"2026-10-15","fields":["measured_battery_life","sound_personalization","hearing_test"],"notes":{"measured_battery_life":"Reviewer got 13 hours 17 minutes of continuous use with ANC disabled. Volume, firmware and host are not stated. SoundGuys and FoneArena report about 9 hours in their own tests. Tom's Guide estimates about 12 hours. The reviews disagree.","sound_personalization":"Review states the Buds 2 lack the Personal Sound feature of the Plus model.","hearing_test":"Personal Sound plays tones for a hearing based profile. The review says the Buds 2 do not have it."}},{"url":"https://www.expertreviews.co.uk/technology/headphones-audio/cmf-buds-2-review","kind":"review_site","accessed":"2026-10-15","fields":["ear_tip_materials"],"notes":{"ear_tip_materials":"Review says the box holds silicone ear tips in several sizes. SoundGuys also says silicone."}},{"url":"https://www.fonearena.com/blog/454376/cmf-buds-2-review.html/amp","kind":"review_site","accessed":"2026-10-15","fields":["anc_levels","fit_test"],"notes":{"anc_levels":"Reviewer lists four noise control modes: Low, Mid, High and Adaptive. Three are fixed strength levels. Adaptive is separate.","fit_test":"The Nothing X app has an earbuds fit test that plays music to check the seal."}},{"url":"https://www.yankodesign.com/?p=552171","kind":"review_site","accessed":"2026-10-15","fields":["mute_button"],"notes":{"mute_button":"Reviewer says muting the microphone with a tap gesture is not available."}}],"fields_filled":87,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}