Storage temperature (T-T): -10 - 55 °C
Storage relative humidity (H-H): 30 - 75%
Operating temperature (T-T): 0 - 40 °C
Operating relative humidity (H-H): 10 - 90%
Product colour: Beige
Volume control: Yes (4 levels)
Recommended usage: Indoor / outdoor
Wearing style: In-ear
Product type: Hearing amplifier
Cleaning kit: Yes
Silicone earplugs: 3 pairs (S,M,L)
Quantity per pack: 1 pc(s)
Rated voltage: 1,5 V
Power source type: Battery
Operating intensity: 6 mA
Output gain: 45 dB
Printing noise level: 45 dB
Headphone output power: 133 dB
Frequency range: 950 - 3500 Hz