Temperature range
Relative humidity
Magnetic field strength
Ingress protection of the
earbuds
Weight
Bluetooth
Version
Transmission frequency
Modulation
Profiles
Output power
Codec
Device name
Number of active connec-
tions
operation: 0 to +40 °C
charging: +5 to +35 °C
storage: –20 to +60 °C
operation: 25 to 75 %, non condensing
storage: 10 to 90 %
earbuds: 0.95 mT
charging case: 105 mT
splash proof (IP54)
earbuds: approx. 6 g each
charging case: approx. 66 g
both earbuds and charging case:
approx. 78 g
Bluetooth 5.4 certified, class 1
Classic BDR/EDR and BLE 1M:
2,402 MHz to 2,480 MHz
BLE 2M: 2,404 MHz to 2,478 MHz
(without 2,426 MHz)
GFSK, π/4 DQPSK, 8DPSK
AVRCP, A2DP, HFP, TMAP, PBP
10 mW (max)
aptX™, aptX™ Adaptive/Lossless,
AAC, SBC, Auracast™ Broadcast
Audio, LC3
MOMENTUM TW 4
2
MOMENTUM True Wireless 4 | 45
Specifications