Sennheiser BTD 300 Instruction Manual page 3

I
Safety instructions for Bluetooth devices
• The radio waves of a Bluetooth<!> device can impair
the operation of electronic and medical devices.
• Do not use the device in medical facilities, trains
and aircraft, and close to automatic doors, auto-
matic fire alarms or other automatically controlled
devices.
• Keep this device at least 20 cm from pacemakers.
Radio waves can
im~air
the operation of pace-
makers.
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