Features:

With the function of selecting songs with digital buttons, it supports MP3 format music files, TF / U disk direct play + memory play one key radio function, with headset function, one-line communication function, repetition function and clock function

External sound function: adopt the bass speaker suitable for the middle-aged and old people, with clear and sound quality and high fidelity

Specifications : 

Rated impedance: 4 Ω

Maximum power: 3W

Frequency effect: 100hz18khz

Input voltage: DC 5V