Usams EP-32 Lightning Metal Earphone with Charging Port US-SJ295 Organizer Compactor you can customize the buttons

you can customize the buttons according to your own operating habits

-Color: White

input power: USB DC 5V

3M: -83dBm@10% PER-180M: -64dBm@10% PER-13

shock-proof and fall-proof-12V-24V voltage input

Usams EP-32 Lightning Metal Earphone with Charging Port US-SJ295 Organizer Compactor you can customize the buttonsAudio and charging at the same time, excellent sound quality. Half in ear design, comfortable to wear. Magnetic designanti winding. Aluminum alloy material, unique appearance. Material Aluminum alloy+TPE Speaker diameter 14. 2mm Frequency range 20Hz 20KHz Function charging+audio Length 1. 2m Power 5V=1A Speaker sensitivity 105dB+3dB Impedance 32ohms