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 performance tracking sensors like heart rate and body temperature measurement that let you optimize your training.

Key Features

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 performance tracking sensors:With heart rate and Body Temperature (BT) from
in-ear sensors.

Sports ecosystem connectivity:Compatible via Bluetooth with leading sports watches, apps, and fitness equipment.

Semi-open design for greater acoustic relief:Open channels allow airflow to improve wearing comfort by reducing body-borne noise, and improve natural awareness.

Powered by POLAR:Full Polar integration plus free access to Polar Flow for seamless tracking performance metrics.

Secure, multi-sports fit:Interchangeable ear fins and ear tips allow for a secure custom fit over long-wearing sessions.

SPECIFICATIONS:

General

• Wearing Style: True wireless stereo earphones
• Ear Coupling: Ear canal

Connectivity

• Bluetooth: 5.2 compliant, class 1, 16 mW (max)
• RF Range: 40m line of sight
• Transmission Frequency / Modulation: 2,402 MHz to 2,480 MHz; GFSK, /4 DQPSK / 8DPSK
• Supported Profiles: A2DP, AVRCP, HFP
• Supported Codecs: SBC, AAC, aptX, aptX adaptive

Speaker

• Principle: Dynamic
• Type/Size: Dynamic, 10mm diameter
• Frequency Range: 15 Hz to 18 kHz
• Sensitivity: 110 dB SPL (1 kHz / 0 dBFS)
• THD: <0.25% (1 kHz / 94 dB)

Active Noise Cancellation

• Type: Hybrid Adaptive ANC

Microphone

• Principle: MEMS
• Frequency Range: 100 Hz to 10 kHz
• Pick-up Pattern: 3 mics per earbud, beamforming for noise reduction

Battery

• Lifespan:
  • Up to 5.5 hrs music playtime with earbuds
  • Up to 24 hrs overall music playtime with charging case (test condition: iPhone, mid volume level 85 dB)
• Charging Time: Approx. 1.5 hrs for fully charged; After 10 min charging, 45 mins music playtime; Ambient temperatures >30C and Qi wireless charging lead to extended charging times
• Type: Built-in Lithium-Ion rechargeable batteries
  • Left/right earbud: 72 (MC1254) / 75 mAh (CL1254)
  • Charging case: 850-950 mAh

Power Supply

• Voltage/Current: 5 V, 1000 mA max
• Charging Methods: 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

Dimensions and Weight

• Product Weight:
  • Total (both earbuds and charging case): 91.0 g
  • Single earbud (with ear fin and M ear tip): 6.4 g
  • Charging case: 78.4 g
• Product Dimensions:
  • Earbuds: 23.3 x 20.9 x 26.1 mm
  • Charging case: 67.7 x 64.8 x 30.0 mm

Operating Conditions

• Operating Temperature: 0 to +45C
• Charging Temperature: 5 to +35C
• Relative Humidity: 10 to 80%, non-condensing

Storage Conditions

• Temperature: 20 to +60C
• Relative Humidity: 10 to 90%

App Support

• App: Sennheiser Smart Control app for iOS and Android