Overview

The delightful MOMENTUM Free is our most compact Bluetooth headphone ever. A true MOMENTUM that packs all the style and substance you could ask for – in a highly portable design. It delivers immaculate wireless hi-fi sound thanks to Bluetooth 4.2 and Qualcomm® apt-X™, its high quality ergonomic design ensures an outstanding all-day listening experience. With an integrated microphone, a six-hour battery life and a luxurious leather case, the MOMENTUM Free is the perfect companion for the mobile lifestyle.

Specifications

Frequency response (Mic)15Hz - 22000Hz

Max. sound pressure level118dB (Passive: 1kHz/ 1Vrms) > Active

THD, total harmonic distortion<0.5%

Ear couplingIn Ear

Transducer principleDynamic (SYS10)

Weight< 40g

Audio inputBluetooth

Rangeup to 10 meters

Min. terminating impedance28 Ohm (Passive), 480 Ohm (Active)

Operating voltage (mains)3.0-4.2V

Sensitivity as per 121 TR 9-5 (Mic)- 44 dB V/Pa

Sending Loudness Rating (SLR)

Wideband: 10dB +/- 5dB

Narrowband: 8dB +/- 5dB

Battery SpecificationBuilt-in Rechargeable Lithium-ion Polymer (~85mAh) with more than 500 charges

Codecsapt-X ® / apt-X ® LL /AAC/SBC

Personal fitXS, S, M, L (4 sets)

Voltage3.7V Nominal

Connection2 device simultaneously (HFP/A2DP)

8 device in pairing list

Charging Current3.0-4.2V