Check the listing for details. HI PRO Programmer Compatible with all brand digital HA. Condition: New. Listed at 120.00 USD. HI-PRO USB Technical Specification: 1, PC InterfaceThe serial USB (Universal Serial Bus) port is used for communication between a PC and the HI-PRO USB unit.Communication:SB 2.0 full Speed ( USB 1.1 compatible)USB Connector Type“ Type B” connector (oil the HI-PRO USB unit) 2, Power Supply:The HI-PRO USB unit is powered from the PC USB port.Rated Voltage:4.50v-5.25vMaximum Current Consumption( active)< 500 mA(2.5 W)Power Consumption during USB Suspend< 500 uA (2.5 mW) 3, Output ratingsThe following output ratings are valid for Left and Right hearing instrument connectors.Fixed Battery supply (pin 1), common for Left and Right side1.35V, 10/50mA(current rating is controlled by fitting software)Programmable battery supply (pin 5), common for Left and Right side-3.50V to +3.50V 30 mA(voltage is controlled by fitting software) 4, Operating environment:Temperature5°C-40°CHumidity 30 to 90%Warm-up time