used but complete and packaged, The CPR Shield Call Blocker is a phone accessory designed to block unwanted nuisance and scam calls on landline phones. With the ability to block up to 1500 additional numbers, this call blocker is compatible with various phone brands and landline providers. The product features a convenient block now button, wall-mountable design, and does not require any power supply. The CPR Shield Call Blocker also offers free lifetime support and a 1-year manufacturer warranty. Ideal for those looking to reduce unwanted calls and protect their phone lines.
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