Specification Sheet

02/20 Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. KG www.sennheiser.
General Data
Wearing style True wireless stereo earphones
Ear coupling In-ear, closed acoustics
Connectivity Bluetooth 5.1 compliant
Supported profiles A2DP, AVRCP, HSP, HFP
Supported codecs SBC, AAC, aptX™
Speaker principle Dynamic
Speaker size 7mm diameter
Speaker frequency range 5 Hz to 21 kHz
Speaker sensitivity 107 dB SPL (1 kHz / 1 mW)
Speaker THD <0,08% (1kHz / 94dB)
Active Noise Cancellation Single-Mic ANC per earbud side
Mic principle MEMS
Mic frequency range 100 Hz to 10 kHz
Mic pick-up pattern 2 mic beamforming for ambient noise
reduction
Battery lifespan Up to 7 hrs music playtime with
earbuds. Up to 28 hrs overall music
playtime with charging case.
Battery type Built-in Lithium-Ion rechargeable
batteries
Power supply 5 V⎓, 650 mA max, USB charging via
USB-C socket at charging case
Weather resistance IPX4, splash resistant (earbuds only)
Packaging
Content of delivery MOMENTUM True Wireless 2 earbuds
Charging case
USB-C charging cable
Silicone ear adapter sets (XS/S/M/L)
Packaging type Hard box
Language on packaging English, German, French, Spanish,
Simplified Chinese, Japanese
Dimensions product packaging
(L x B x H)
170 x 115 x 45 mm
(6.7 x 4.5 x 1.7 in)
Weight of headset and
packaging (incl. accessories)
269 g (9.4 oz)
Dimensions of outer master
carton (L x B x H)
285 x 245 x 200 mm
(11.2 x 9.6 x 7.8 in)
Number of products per outer
master carton
12
Total weight of outer master
carton & products
3640 g (8 lbs)
WEEE packaging infor mation
Material of single package
(incl. weight)
Paper / Cardboard:
172.5 g (6 oz)
Plastic:
14.2 g (0.5 oz)
Material of outer master
carton (incl. weight)
Paper / Cardboard:
416 g (14.6 oz)
Plastic:
0 g
WEEE Weight (Net weight) 81.8 g (2.8 oz)
Technical Data
M3IETW2 Black M3IETW2 White
EAN 4044155248821 4044155249774
UPC 615104338449 615104341128
Article No. 508674 508831
Earbuds that put sound first
Sennheiser’s new MOMENTUM True Wireless 2 delivers
exceptional sound quality with superior comfort and
craftsmanship. Now you can enjoy Sennheiser’s outstanding
stereo sound anywhere and all day, thanks to Active Noise
Cancellation and an exceptional 7-hour battery life, which
can be extended to up to 28 hours via the charging case.
Delivers best possible listening experience at anytime
– 7mm dynamic driver: Experience superior sound quality
from audio specialist Sennheiser
– Built-in equalizer: Personalizing your audio experience
– ANC & Transparent Hearing: Block out or listen to your
surroundings – the choice is yours
Simplifies your life during the day
– Customizable touch controls: Let you define your personal
interface for effortless control
– Smart Pause: Don’t miss any part of your favorite song with
automatic play/pause feature
– Voice Assistant support: Interact at a touch with Google
Assistant and Apple Siri
Designed for full day wearing
– 7 + 21 hour playtime: Listen to music for up to 28 hours thanks
to the charging case
– Improved ergonomic design: Revel in sound it its smallest, most
comfy form
– Craftsmanship: Quality that you expect from Sennheiser brand
– IPX4: Splash resistant design for all weather conditions