The ultimate combination of high-end sound and 
fitness monitoring

Sennheiser and Polar give you unmatched sound with leading fitness tracking.
 
Measuring and analysing performance can be key to reaching your goals. With MOMENTUM Sport, you get in-ear heart rate and body temperature measurements Powered by Polar, laboratory-tested with Cosinus GmbH, specialized in vital parameter in-ear tracking, at the Technical University of Munich.
 
You enjoy truly moving sound with the clarity and impact you expect from legendary headphone maker Sennheiser. And with Polar’s decades atop the athletic wearables space, you’re also getting extremely advanced fitness tracking and analytics. Just connect to any smart device over Bluetooth, and your earbuds will integrate seamlessly with the Polar Flow app to bring your fitness and training data clearly into view.

True Wireless Stereo Earphones Specifications

Article Numbers (SKU)

• Black: MSPORT1 Black700304

• Olive: MSPORT1 Olive700306

• Graphite: MSPORT1 Graphite700305

• 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, π 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 >30°C 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

                  • • Specifications

                      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 +45°C

                                      • Charging Temperature: 5 to +35°C

                                      • Relative Humidity: 10 to 80%, non-condensing

                                      • Storage Conditions

                                        • Temperature: –20 to +60°C

                                        • Relative Humidity: 10 to 90%

                                        • App Support

                                          • App: Sennheiser Smart Control app for iOS™ and Android™