Plantronics CS500 Series Fact Sheet

If you are on a call and the headset battery is critically low, you will hear a repeated single low tone every 15
seconds indicating the battery is low. You should recharge the headset immediately.
If you are not on a call and press the call button, you will hear three low tones if the battery is critically low. You
should recharge the headset immediately.
How do I replace the battery on my Savi W710/W720 or CS510/CS520
headset?
Procedure
To change the battery on the headset for your Savi W710/W720 or CS510/520
system, follow the steps below:
1. Pop open the cover for the battery housing as shown. The battery housing
should be located on the underside of the headset, below the microphone
boom.
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Plantronics CS500 Series Specifications

General

Talk Time	Up to 9 hours
Technology	DECT 6.0
Noise-Canceling Microphone	Yes
Connectivity	Wireless
DECT Security Certification	Yes
Wireless Range	Up to 350 feet
Wearing Style	Over-the-head