How much does this cost to the nearest dollar?

Panasonic Additional Cordless Phone Handset Accessory Compatible with Cordless Phone Systems Series - Black
Additional cordless handset accessory compatible with the following series of Panasonic Digital Cordless Telephones series NOT a standalone product. Noise Reduction automatically suppresses background interference while enhancing voice tones for clearer conversation on the base unit & cordless handsets. A powerful battery back-up system keeps you connected even when the power goes out. To maximize clarity or accommodate hearing loss a Tone Equalizer control feature lets you adjust bass, mid-range or treble tones in a caller's voice for maximum clarity. The DECT 6. 0 PLUS takes the superb sound quality and outstanding range of DECT 6. 0 phones to a whole new level. Includes Power Backup, Speakerphone, Talking Caller ID, Talking

Price is $45.00
Price: $44.99