This is the spare/replacement Plantronics Deluxe charging cradle for Savi W440, Savi W440-M, Savi W740, Savi W740-M
- Does not include spare battery
- this kit allows you to always be charging a spare battery while you are using your wireless headset
- Pop the battery into the side door of charging cradle and it charges while you are using your wireless headset
- Includes charging base cradle and a side door for spare battery
- Replace the battery mid-call, without losing the call, as long as a charged battery is reattached within 5 minutes. This allows for unlimited talk time.