This white battery-free telephone ring amplifier is a must-have for anyone who wants to ensure they never miss a call. With its sleek and modern design, it is the perfect addition to any home or office. The 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 - 's Ring Volume with Ease: Our Telephone Ringer Amplifier effortlessly enhances the volume of your landlines phone, ensuring you never miss an important call. -With its user-friendly design, installation is a breeze, allowing you to enjoy louder, clearer ringtones in no time. -Our Telephone Ringing Amplifier Device is lightweight and compact, easily fitting into your bag or luggage -It significantly amplifies the ringtone, making it easier to hear incoming calls even from another room. -With adjustable volume settings, our Telephone Ringing Amplifier Device allows you to personalize the ringtone volume to your specific hearing level. Package list: 5 x Telephone Ring Amplifier