Elderly hearing aids sound amplifiers portable power banks hearing aids sound collectors accessories

Shell process ABS

Power Supply Type-C

Rated voltage 3.7V

Color: 2 skin tones [black compartment], 2 skin tones [white compartment], 2 blue [black compartment], 2 blue [white compartment]

Battery life of over 12 hours

Size: 4.1*4*0.9cm