'Specifications_without_Split': 'Production Products: 1. The operating frequency range (uneven frequency response ± 3 dB): 3 ... 300 Hz. Range of operating temperatures: –20 ... +70 ° C. Power (voltage): + 5 V. Power (current): 80 mA. Building material: stainless steel. Input connector: usb a (m). Mass: 250 g. The supplies: hairpin P0505, \ NPO Heart Beat '}