ry. Dispose of the device in accordance with EC Directive – WEEE (Waste
Electrical and Electronic Equipment). If you have any questions, please
contact the local authorities responsible for waste disposal.
Battery disposal
• The empty, completely flat batteries must be disposed of using spe-
cially designated collection boxes, recycling points or electronics
retailers. You are legally required to dispose of the batteries:
• The codes below are printed on batteries containing harmful
substances:
Pb = Battery contains lead
Cd = Battery contains cadmium
Hg = Battery contains mercury
11. TECHNICAL SPECIFICATIONS IN
ACCORDANCE WITH IEC 60118-7:2005
Type
Max. sound pressure level (OSPL90)
Sound amplification
Frequency range
Overall harmonic distortion
Power supply
Charging time
HA 55
≤ 128 ±3 dB
≤ 50 ±3 dB
500 – 3200 Hz
≤ 10%
≤ 10 mA
7 – 10 hours
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