Hands-free call control: The Poly HL-10 allows you to conveniently answer calls hands-free, boosting your productivity. Compatibility with Savi and CS500: Specifically designed to work with Savi and CS500 headsets, the HL-10 offers seamless integration into your communication system. Automatic lifting and placing: Saves time and effort by automatically lifting the handset and placing it back in the base station. Incoming call notification: The HL-10 works in conjunction with your Poly Wireless headset to notify you of incoming calls, even when you are away from your desk. Easy installation and use: Small and quick to set up, the HL-10 enables efficient and convenient call management with just the press of a button.