Say goodbye to the hassle of constantly replacing batteries with this innovative battery-free telephone ring amplifier. Its unique design ensures that you never miss a call, even in noisy environments. The white exterior is both stylish and practical, making it a great addition to any home or office. With its adjustable volume feature, making it a versatile and practical tool for any telephone user. Features -Color:White -Material:PP -Size:9.70X5.70X2.50cm/3.81X2.24X0.98in -Our Landlines Phone Ring Amplifier is compatible with most landline phones, making it a versatile choice for various households. -No matter what type of telephone you have, our amplifier will seamlessly integrate with it, delivering optimal performance. -With its ability to amplify and clarify ringtones, our Telephone Ringer Amplifier greatly improves call recognition. -Whether you're in a noisy environment or simply need a louder ringtone to catch your attention, our product ensures you never miss an important call. -Made with good and practical PP materials, our Phone Ring Amplifier is built to last. Package list: 5 x Telephone Ring Amplifier