Plantronics Spare Battery For SAVI W740 / W440 with ON/OFF Switc
HK$320.00

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Plantronics Spare Battery is a replacement battery with On/Off switch that is used for Savi W440 & W740 Series and CS540-XD Wireless Headsets.

 

Features:

 

* On/off switch on top lets you conserve battery life while traveling.
* Easy to install - just slide the old battery off the headset and snap the new one on.
* Provides up to 7 hours talk time on a full charge.
* Full charge takes 3 hours (charge approximately 20 minutes prior to the first use).