34 | MB 660
Specifications
Specifications
MB 660 Wireless Headset
Ear coupling around ear
Frequency response 17 Hz - 23 kHz
Transducer principle dynamic, closed
Sound pressure level (SPL) 110 dB (passive: 1 kHz/ 1 V
rms
)
Impedance active mode: 490 Ω
passive mode: 46 Ω
THD (1 kHz, 100 dB SPL) < 0.5 %
Pick-up pattern (speech audio) 3-mic beamforming array
Noise cancellation NoiseGard™ hybrid technology with
4 pick-up microphones
Total noise attenuation up to 30 dB
Input power 3.7 VDC, 700 mAh: built-in rechargeable
Lithium-Polymer battery
5 VDC, 345 mA: USB charging
Operating time 20 hours (Bluetooth and NoiseGard on)
30 hours (only NoiseGard on, with or
without audio cable for flight mode)
Temperature range operation: 0 to 40°C/32 to 104°F
Sstorage: -20 to 60°C/-4 to 140°F
Relative humidity operation: 10 to 80%, non condensing
storage: 10 to 90%
Charging time approx. 3 hours
Weight (headset) 227 g
Bluetooth
Version 4.2, class 1
Transmission frequency 2402 MHz to 2480 MHz
Modulation type
GFSK, π/4 DQPSK / 8DPSK
Profiles HSP, HFP, AVRCP, A2DP, DIP
Output power 10 mW (max)
Codec aptX®
NFC
Frequency 13.56 MHz
Modulation type ASK
Output power within 500 µV/m
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