38 Chord music

The default ringtone is "Ding Dong", and the built-in high-quality large-diameter speaker has a clear, loud and beautiful sound.

3 years battery life

The transmitter uses a 3V CR2032 lithium battery with a long three-year lifespan, eliminating the trouble of frequent battery purchases.

4-Step volume adjustment

4-level volume can be adjusted at will,the maximum volume can be adjusted.Up to 115dB,the elderly at home can also hear.