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Specifications
30 | MOMENTUM True Wireless
Specifications
MOMENTUM True Wireless M3IETW
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 %
Microphone principle MEMS
Microphone frequency
response
100 Hz to 10 kHz
Microphone sensitivity 94 dB SPL at 1 kHz
Microphone pick-up pattern
(speech audio)
2-mic beamforming array
Power supply built-in Lithium rechargeable
batteries, 3.7 V
left earbud: 60 mAh
right earbud: 85-90 mAh
charging case: 600 mAh
USB charging via USB-C socket of the
charging case: 5 V , 650 mA
Operating time 4 hrs (music playback via A2DP) with
rechargeable batteries of the
earbuds;
12 hrs with rechargeable battery of
the charging case
Standby time approx. 7 days
(earbuds inserted into charging case)
Charging time of
rechargeable batteries
approx. 1.5 hours
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: 1.6 mT
charging case: 130 mT
Ingress protection of the
earbuds
splash proof (IPX4)
Weight left earbud: approx. 6 g
right earbud: approx. 7 g
charging case: approx. 57 g
Version Bluetooth 5.0 compatible, class 1, BLE
Transmission frequency 2,402 MHz to 2,480 MHz
Modulation GFSK, π/4 DQPSK, 8DPSK
Profiles HSP, HFP, AVRCP, A2DP
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