Sennheiser MOMENTUM True Wireless 2 Instruction manual MOMENTUM True Wireless - Page 37

Specifications Specifications MOMENTUM True Wireless 2 M3IETW2 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 1 microphone per earbud ANC Microphone principle MEMS Microphone frequency response 100 Hz to 10 kHz Microphone pick-up pattern 2-mic beamforming array (speech and ANC) 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 with rechargeable battery of the earbuds (test conditions: iPhone within 1 m distance, Bluetooth AAC codec, volume level 50 %, Transparent Hearing off, ANC off, no customized EQ); 28 hrs with rechargeable battery of the charging case Charging time of rechargeable batteries approx. 1.5 hrs Temperature range 0 to +40 °C -25 to +60 °C Relative humidity 10 to 80%, non condensing 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 Bluetooth Version Transmission frequency Bluetooth 5.1 compatible, class 1, BLE 2,402 MHz to 2,480 MHz MOMENTUM True Wireless 2 | 37