Black · UK/US · Sennheiser part 700262
ACCENTUM True Wireless in Black (article 700262 on the UK and US stores) uses 7 mm TrueResponse dynamic drivers, hybrid ANC and Bluetooth 5.3 with LC3. Its case supports USB-C and Qi charging; Auracast is advertised with a firmware-update condition.
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Specifications checked 26 Sept 2026Manufacturer specifications, not a hands-on test.
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Each earbud weighs 5.5 g and the charging case 41 g, and Sennheiser lists LC3 alongside SBC, AAC and aptX, with Auracast offered by firmware update.
Calls use two microphones per earbud with beamforming for noise reduction, and the ACCENTUM True Wireless product pages do not state multipoint support.
IP54 splash resistance applies to the earbuds only, not the charging case, and Sennheiser's codec list is SBC, AAC, aptX and LC3, with no aptX Adaptive listed.
Exact configuration: 700262 · Black · UK/US
24 specifications in 5 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Two separate earbuds with a charging case; ear tips in XS/S/M/L are supplied.
SourceSingle earbud. The charging case weighs 41 g; both earbuds and case together 52 g.
SourceThe tables call the batteries built-in but do not explicitly establish whether owners can replace them. Built-in and omitted repair instructions do not mean non-replaceable.
Manufacturer states 52 g for both earbuds and case; do not confuse this with 5.5 g single-earbud mass.
Auracast is advertised with the condition “available via firmware update only”. The pages do not identify the required firmware version or establish multipoint support. Charging is represented separately.
Sennheiser's test condition: iPhone, mid volume level 85 dB. The 28-hour case figure is not split by ANC state. Built-in lithium-ion batteries: 55 mAh per earbud, 400–420 mAh case.
The row does not explicitly name a component, charge path, codec or ANC mode. Ambient temperatures below 15°C or above 30°C and Qi wireless charging extend charging time.
Manufacturer charging connection; this does not establish USB audio or cable data operation.
Model feature copy and power table explicitly advertise Qi wireless charging on the case. No exact Qi version is given.
The complete reviewed exact model pages do not explicitly establish multipoint presence or absence.
Manufacturer condition: available via firmware update only. Required firmware version and installed update status were not established; do not present it as unconditional on every unit.
Manufacturer component capacities, not combined capacity or measured runtime.
The power row lists 5 V / 1000 mA and USB-C, but does not explicitly establish Power Delivery support or absence. Connector shape and an omitted PD label do not mean false.
Speaker sensitivity as listed by Sennheiser; impedance is listed as not applicable (active Bluetooth headphones).
Sennheiser prints '<0,08% (1 kHz / 94 dB)' (decimal comma).
The complete reviewed ACCENTUM pages do not explicitly establish spatial-audio presence or absence. Absence from its feature inventory is not false.
The specification table's 'App support' lists only the Sennheiser Smart Control app for iOS and Android, while the same page's 'Smart Control Plus App' section recommends the Sennheiser Smart Control Plus app. Sennheiser does not say which app features differ for this model; both names are recorded.
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