Features:This pair of sound amplifiers amplify sound up and help you regain the pleasure of talking with other people, or enjoying TV programs, etc.Mini and lightweight earbuds design, safe to wear without hurting ear canals. You can use the included brush to remove dirt or ear wax.Comes with 6 different sizes of silicone earcaps for your choice, not easy to slip off, very comfortable to wear even for a long time.There sre 4 different amplify frequency adjustable, and you can turn up the volume from low to high to meet your need.Comes with a charging case, just place it into the case and recharge. One full charge can stand 20-30 hours of continuous use.Note: Wipe the sound amplifier with a clean, dry cloth only.