I used this for about two years after purchasing it used. It was working normally until just now. I am selling it because I purchased a cordless phone with a handset. [Brand and Model] The Bonn TEL-3300 is a reliable home phone. It features a simple and easy-to-use design, perfect for everyday calls. [Functionality] It has a volume adjustment function, allowing you to set the call volume to low or high. Tone settings are also available, adjustable from 10 to 20. This provides a comfortable calling environment tailored to the user's preferences. [Condition and Accessories] The main unit is in good condition, and the included phone line is also included. It is suitable for use in homes and offices. - Brand: Bonn - Model: TEL-3300 - Serial Number: 404-2109501 - Volume Adjustment: Low/High - Tone Settings: 10-20 Thank you for viewing.