{"data":{"slug":"bose-soundlink-flex-2nd-gen","type":"wireless_speaker","brand":"Bose","name":"SoundLink Flex Portable Speaker (2nd Gen)","aliases":["SoundLink Flex 2","SoundLink Flex II"],"release_date":"2024-09","url":"https://arkivo.dev/wireless-speakers/bose-soundlink-flex-2nd-gen","specs":{"series":"SoundLink","model_numbers":["442591"],"gtins":null,"announce_date":null,"status":"available","predecessor":"bose-soundlink-flex","successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":["US"],"colors":["Black","Blue Dusk","Sandstone","Alpine Sage","Twilight Blue","Petal Pink","Citrus Yellow","Fog Grey","Dewdrop Mint"],"manufacturer_url":"https://www.bose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.html","spec_sheet_url":"https://support.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-gen?language=en_CA","manual_url":"https://assets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdf","eprel_registration_number":null,"warranty_years":1,"segment":"portable","audio_channels":"mono","drivers":[{"type":"Full-range","count":1,"diameter_mm":null,"width_mm":null,"height_mm":null,"rated_power_w":null}],"passive_radiator_count":2,"total_rated_power_w":null,"mains_rated_power_w":null,"audio_output_power_claimed_w":null,"peak_power_w":null,"frequency_response_min_hz":null,"frequency_response_max_hz":null,"signal_to_noise_ratio_db":null,"equalizer":true,"eq_bands":3,"automatic_sound_adjustment":true,"sound_modes":null,"stereo_pairing":true,"speaker_link_protocols":["Bose Party Mode","Bose Stereo Mode","Bose SimpleSync"],"max_linked_speakers":2,"max_linked_speakers_bluetooth":null,"bluetooth_playback":true,"bluetooth_version":"5.3","bluetooth_codecs":["SBC","AAC","aptX Adaptive"],"bluetooth_profiles":["A2DP","AVRCP","BLE","HFP"],"bluetooth_le_audio":null,"auracast":null,"multipoint":true,"multipoint_device_count":2,"wireless_range_m":null,"wifi":false,"wifi_standards":null,"network_audio_protocols":null,"usb_audio":null,"usb_media_playback":null,"usb_media_formats":null,"ports":null,"speakerphone":true,"voice_assistants":["Siri","Google Assistant"],"controls":["Power","Bluetooth pairing","Volume up/down","Play/pause","Next/previous track","Programmable shortcut"],"companion_app":"Bose app","companion_app_platforms":["iOS","Android"],"firmware_updatable":true,"lighting":null,"lighting_modes":null,"matter_controller":null,"thread_border_router":null,"zigbee_hub":null,"battery":true,"battery_life_h":12,"battery_life_boost_h":null,"battery_capacity_wh":null,"battery_capacity_mah":null,"battery_voltage_v":null,"battery_chemistry":"Lithium-ion","replaceable_battery":null,"charge_time_h":4,"quick_charge_min":null,"quick_charge_playback_h":null,"charging_input":"5 V DC, 1.5 A","charging_input_max_w":null,"usb_power_delivery":null,"powerbank":false,"powerbank_output_max_w":null,"wireless_charging":null,"ip_rating":["IP67"],"floats":true,"drop_resistance":true,"drop_test_height_m":null,"carry_features":["Nylon utility loop"],"measured_battery_life_h":7.05,"measured_max_spl_db":null,"measured_frequency_response_min_hz":null,"measured_frequency_response_max_hz":null,"measured_latency":null,"measured_charge_time_h":null,"dimensions_mm":null,"weight_g":590,"materials":["Aluminum","Fabric","Nylon","Plastic","Silicone","Steel"],"fcc_ids":null,"other_certifications":null,"in_the_box":["SoundLink Flex Portable Speaker (2nd Gen)","USB-C to USB-A cable","Safety sheet"]},"variants":[],"sources":[{"url":"https://www.bose.com/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.html","kind":"manufacturer_page","accessed":"2026-10-08","fields":["series","status","markets","manufacturer_url","warranty_years","segment","audio_channels","equalizer","automatic_sound_adjustment","stereo_pairing","speaker_link_protocols","max_linked_speakers","multipoint","multipoint_device_count","speakerphone","companion_app","companion_app_platforms","ip_rating","floats","drop_resistance","carry_features","materials","in_the_box","powerbank","colors"],"notes":{"warranty_years":"US maker page: included one-year Bose limited warranty. BoseCare paid extensions are excluded.","automatic_sound_adjustment":"PositionIQ senses speaker orientation and adjusts playback. Standing, lying and hanging orientations are supported.","stereo_pairing":"Two identical SoundLink Flex (2nd Gen) speakers provide left and right channels. Party Mode can link different compatible current SoundLink models.","max_linked_speakers":"Two speakers in Party or Stereo Mode. SimpleSync connects to a compatible Bose smart speaker or soundbar.","speakerphone":"Standard non-SE SoundLink Flex (2nd Gen). Maker specifications exclude the later SE variant from microphone support. No SE variant is included.","powerbank":"Maker comparison table: Charging Out No.","colors":"Current maker page explicitly offers Dewdrop Mint. Other listed colors come from the exact-model support specification."}},{"url":"https://support.bose.com/s/article/product-specifications-bose-soundlink-flex-portable-speaker-2nd-gen?language=en_CA","kind":"manufacturer_page","accessed":"2026-10-08","fields":["spec_sheet_url","colors","bluetooth_version","bluetooth_profiles","battery_chemistry"],"notes":{"spec_sheet_url":"Exact second-generation manufacturer support specification page. SE microphone exception explicitly identified. Non-SE reference model."}},{"url":"https://assets.bosecreative.com/m/409c7c0457a61e44/original/891014_OG_SLFLXII-SPEAKERWIRELESS_en.pdf","kind":"manual","accessed":"2026-10-08","fields":["model_numbers","manual_url","controls","battery","battery_life_h","charge_time_h","charging_input","firmware_updatable","bluetooth_playback","bluetooth_codecs"],"notes":{"model_numbers":"Regulatory information, page 4: Model 442591.","charging_input":"Regulatory information, page 4: Input Rating 5 V DC, 1.5 A. This is device input, separate from adapter output.","battery_life_h":"Page 25: up to 12 hours using Bluetooth A2DP at 50% volume, default EQ, Top 50 Global February 2024 tracks, 20-25 C. At maximum volume Bose specifies up to three hours.","charge_time_h":"Page 25: up to four hours from 0 to 100% in standby, 5 V/1.5 A (7.5 W) USB-A supply.","bluetooth_codecs":"Page 18 explicitly identifies aptX Adaptive with a compatible Snapdragon Sound source. SBC and AAC are corroborated by the exact-model SoundGuys review.","firmware_updatable":"Care and Maintenance, Update the Speaker: Bose app OTA or Bose updater website.","controls":"Speaker Controls pages 19-23. Shortcut choices include linking, Spotify Tap or connected-phone voice assistant."}},{"url":"https://support.bose.com/article/poor-sound-quality-from-product-soundlink-flex-portable-speaker-2nd-gen","kind":"manufacturer_page","accessed":"2026-10-08","fields":["drivers","passive_radiator_count"],"notes":{"drivers":"Exact second-generation support article: one active speaker and two passive radiators. Full-range role is also stated in product-page sound options."}},{"url":"https://www.soundguys.com/bose-soundlink-flex-2nd-gen-review-125253/","kind":"review_site","accessed":"2026-10-08","fields":["eq_bands","measured_battery_life_h","release_date","predecessor"],"notes":{"release_date":"Exact second-generation review product release date: September 2024. This is not the 2021 first-generation review.","eq_bands":"Bose app offers Bass, Middle and Treble sliders.","measured_battery_life_h":"Exact SoundLink Flex (2nd Gen) review: 7 h 3 min. Looping music at 80 dB from one meter. Firmware 4.3.30, Bose app 10.3.13. Volume is higher than the maker 50% runtime test.","predecessor":"SoundGuys calls the original Bose SoundLink Flex the predecessor of the SoundLink Flex (2nd Gen)."}},{"url":"https://www.rtings.com/speaker/reviews/bose/soundlink-flex-2nd-gen","kind":"review_site","accessed":"2026-10-08","fields":["voice_assistants","wifi"],"notes":{"voice_assistants":"Public Voice Assistant verdict explicitly supports the paired phone Siri or Google Assistant. No independent assistant on the speaker.","wifi":"Public Wi-Fi test row explicitly says No. Member-only metrics were not used."}},{"url":"https://www.bose.de/p/speakers/bose-soundlink-flex-portable-speaker-2nd-gen/SLFLXII-SPEAKERWIRELESS.html","kind":"manufacturer_page","accessed":"2026-10-08","fields":["weight_g"],"notes":{"weight_g":"Technical specifications: complete product system 0.59 kg. Convert published metric value to grams. H/D axes are conflicting between US product sections and are omitted."}}],"fields_filled":47,"updated":"2026-10-23"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}