Specifications
MOMENTUM True Wireless 2 | 37
Specifications
MOMENTUM True Wireless 2
M3IETW2
Bluetooth
Wearing style
True wireless stereo earphones
Ear coupling
ear-canal
Frequency response
5 Hz to 21 kHz
Transducer principle
dynamic, closed-back
Transducer size
7 mm
Sound pressure level (SPL)
107 dB (1 kHz/1 mW)
THD (1 kHz, 94 dB SPL)
< 0.08 %
Active noise cancellation
ANC
1 microphone per earbud
Microphone principle
MEMS
Microphone frequency
response
100 Hz to 10 kHz
Microphone pick-up pattern
(speech and ANC)
2-mic beamforming array
Power supply
built-in Lithium rechargeable
batteries, 3.7 V
earbuds: 55-60 mAh
charging case: 600 mAh
USB charging via USB-C socket of the
charging case: 5 V
, 650 mA
Operating time
7 hrs (music playback via A2DP, ANC
or Transparent Hearing deactivated)
with rechargeable battery of the
earbuds;
28 hrs with rechargeable battery of
the charging case
Charging time of
rechargeable batteries
approx. 1.5 hrs
Temperature range
operation:
0 to +40 °C
storage:
–25 to +60 °C
Relative humidity
operation:
10 to 80%, non condensing
storage:
10 to 90%
Magnetic field strength
earbuds: 1.34 mT
charging case: 87.70 mT
Ingress protection of the
earbuds
splash proof (IPX4)
Weight
earbuds: approx. 6 g each
charging case: approx. 58 g
Version
Bluetooth 5.1 compatible, class 1, BLE
Transmission frequency
2,402 MHz to 2,480 MHz
Modulation GFSK,
π
/4 DQPSK, 8DPSK
Profiles
HSP, HFP, AVRCP, A2DP
