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Sennheiser Momentum Sport True Wireless Earbuds with Adaptive Noise Cancellation (Black)

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Sennheiser Momentum Sport True Wireless Earbuds Overview

Product Information

Model: 700304 | UPC: 810091271803


What's In The Box

Product Information

Model: 700304 | UPC: 810091271803

MOMENTUM Sport is the ultimate gear for every step of your training journey.  Enjoy a new class of sports earbuds, which provide unrivaled Sennheiser sound with secure fit, adaptive ANC, and advanced biometric sensors like heart rate and body temperature measurement that let you optimize your training.


  • Adaptive ANC
  • Secure Fit
  • Heart rate & Body Temperature Tracking
  • Fitness app & device compatible

Unrivaled Sennheiser Sound

Energize your performance with high-quality MOMENTUM Sport Sound with more impactful bass.

Adaptive ANC

Stay in the zone without distractions even in noisy gyms or busy outdoor spaces.

Integrated Biometric Sensors

Accurately measure your heart rate and Body Temperature (BT) from precise in-ear sensors.

Sport’s Ecosystem Connectivity

Compatible via Bluetooth with leading sports watches, apps, and fitness equipment.

Semi-Open Design for Greater Comfort

Acoustic relief channel allows airflow to improve wearing comfort, reduce body-borne noise and improve natural awareness.

Powered by POLAR

Full Polar integration plus free access to Polar Flow for seamless tracking of your key biometrics.

Secure, Multi-Sports Fit

Interchangeable ear fins and ear tips allow for a secure custom fit with lasting comfort over long-wearing sessions.


  • General
    • Wearing style: True wireless stereo earphones
    • Ear coupling: Ear canal
    • Connectivity: Bluetooth 5.2 compliant, class 1, 16mW (max), RF Range 40m – line of sight
    • Transmission frequency/modulation: 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK
    • Supported profiles: A2DP, AVRCP, HFP
    • Supported codecs: SBC, AAC, aptX™, aptX adaptive™
    • Speaker principle: Dynamic
    • Speaker type/size: TrueResponse™ dynamic, 10mm diameter
    • Speaker frequency range: 15 Hz to 18 kHz
    • Speaker sensitivity: 110 dB SPL (1 kHz / 0 dBFS)
    • Speaker THD: <0.25% (1 kHz / 94 dB)
    • Active Noise Cancellation: Hybrid Adaptive ANC
    • Mic principle: MEMS
    • Mic frequency range: 100 Hz to 10 kHz
    • Mic pick-up pattern: 3 mics per earbud, beamforming for noise reduction
    • Battery lifespan (test condition: iPhone, mid volume level 85 dB)
      • Up to 5.5 hrs music playtime with earbuds
      • Up to 24 hrs overall music playtime with charging case
    • Charging time
      • Approx. 1.5 hrs for fully charged
      • After 10 min charging 45 min music playtime
    • Battery type: Built-in Lithium-Ion rechargeable batteries; Left/right earbud: 72 (MC1254) / 75 mAh(CL1254); Charging case: 850-950 mAh
    • Power supply: 5 V, 1000 mA max; USB charging via USB-C socket at charging case; Qi Wireless charging
    • Magnetic strength field: Earbuds: 1.86 mT; Charging case: 250 mT
    • Weather resistance: Earbuds: IPx5; Charging case: IPx4
  • Product
    • Product weight
      • Both earbuds and charging case: 0.2 lbs (91.0 g)
      • Single earbud N ear fin and M ear tip: 0.01 lbs (6.4 g)
      • Charging case: 0.17 lbs (78.4 g)
    • Product dimensions
      • Charging Case: 2.66” x 2.55” x 1.18”
      • Earbuds: 0.91” x 0.82” x 1.02”
    • Operating conditions
      • Operating temp: 0 to +45°C
      • Charging temp: 5 to +35°C
      • Rel. humidity 10 to 80%, non-condensing
    • Storage conditions
      • Temp: –20 to +60°C
      • Rel. humidity 10 to 90%
    • App support: Sennheiser Smart Control app for iOS™ and Android™
    • Country of origin: Designed by Sennheiser in Germany, Made in China
    • Heart rate measuring range: 30 ~ 220 bpm by PPG sensor
    • Body temperature Range: 35.5 - 42.0 °C. Accuracy: +/-0.3 °C
    • Sensors: Heart rate, Body temperature, 3-axis accelerometer, in-ear sensor (IR)

What's In The Box

  • Momentum Sport True Wireless Earbuds
  • Charging Case
  • USB-C Charging Cable
  • Silicone Ear Tip Set (S/M/L)
  • Silicone Ear Fin Set (N/S/M/L)
  • Finger Lanyard
  • Manual
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