Phonak CROS User Manual

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Step 10. Changing the battery
Your Phonak CROS transmitter will indicate with
a double beep, that the battery soon needs to be
changed. You typically have up to 30 minutes to
change the battery, however this can dier and
might be considerably shorter. We recommend
that you always keep a spare battery on hand.
4. Using your Phonak CROS system

Phonak CROS Specifications

General

Wireless	Yes
Wireless Connectivity	Bluetooth
Type	CROS
Battery Size	Size 312
Water Resistance	IP68
Compatibility	Phonak Marvel, Paradise, and Lumity hearing aids