Sennheiser MB Pro 1, MB Pro 2 Specifications, 2 g, Weight, Weight, –89dBm, –89dBm, Bluetooth, up to 19 days, 9 dBm/7.90 mW, Specifications, up to 15 hours, 22 x 16 x 6 mm, 8 dBm/ 6.30 mW

Specifications

Specifications

MB Pro 1 MB Pro 2Dimensions (W x H x D)WeightStandby time Talk timeCharging time of rechargeable batteryRechargeable battery (built-in) Speaker typeSpeaker frequency responseSound pressure levelMicrophone typeMicrophone frequency responseBTD 800 USB dongle

Dimensions (W x H x D)

Weight

MB Pro 1 MB Pro 2 BTD 800 USB Operating temperature range Operating relative humidity Storage temperature range Storage relative humidity

Bluetooth

Bluetooth Range Transmission frequency Profiles

Output power of headset Output power of BTD 800 USB Typical sensitivity of headset Typical sensitivity of BTD 800

170 x 175 x 55 mmMB Pro 1: approx. 64 gMB Pro 2: approx. 83 gup to 19 daysup to 15 hours2 hours 30 minutesLithium Polymer; 3.7 V; 205 mAdynamic, neodymium magnet150 – 6,800 Hz (wideband)200 – 3,400 Hz (narrowband)150 – 15,000 Hz (A2DP/music)max. 118 dB SPL (ERP)Noise cancelling electret condenser microphone

150 – 6,800 Hz (wideband)

200 – 3,400 Hz (narrowband)

22 x 16 x 6 mm2 g+10°C (+50°F) to +40°C (+104°F)20 to 85 %, non-condensing-20°C (-4°F) to +60°C (140°F)10 to 95 %, non-condensingversion 4.0/class 1up to 25 m (device-dependent)2,402 MHz to 2,480 MHzHSP (v1.2), HFP (v1.6), A2DP (v1.2)9 dBm/7.90 mW8 dBm/ 6.30 mW–89 dBm

–89 dBm

MB Pro1 MB Pro 2 27