Plantronics 72273-01 bluetooth headset plus base & lifter .   Additional features include:

• Plantronics bluetooth over-the-ear headset
• lightweight, award-winning design for all-day wearing comfort
• noise-canceling microphone for superior sound quality
• multipoint technology allows you to seamlessly switch between twobluetooth devices
• one-touch call answer/end
• last number redial
• voice-activated dialing
• headset folds into your pocket or purse for easy storage
• boom swivels for perfect positioning on either ear
• freedom to roam up to 33ft (10m) from your bluetooth device
• up to 6 hour talk time and up to 100 hour standby
• supports bluetooth headset and hands-free profiles
• smart technology knows which device you are using-and allows you to take calls from either device at the touch of a button
• weight: approximately .5oz.
• volume
• mute
• supports analog and digital office phones (in an office environment, this products works like the cs50, but with a bluetooth range)
• headset charges automatically in base
• in-use indicator led on base
• status/in-use light on headset
• headset folds easily for storage
• 1 year manufacturer's warranty
• sl version includes pl-hl10 handset lifter (enables user to answer a call while away from the phone)
• gray unit

Size: L: 10.5" x W:9" x H:4.25"