The Plantronics Spare USB Deluxe Charging Kit is perfectly suitable for W440 savi headset. The charger contains magnetic contact which securely holds the battery while charging. The user may also charge the battery alone or even without attaching it to the headset. In additional, this kit includes USB charger and extra battery as well.

Features:

• Suitable for savi W440
• Slide the headset into the charging cradle and charge it in the USB port of your PC
• May also charge the battery alone without it attached to the headset
• Charger has magnetic contacts
• Charging cradle measures approximately 1 1/4" X 1" X 3/4" tall
• Includes USB charger and extra battery