9D stereo in-ear Earphone

Specification: Charging compartment capacity: 2000 mA Earphone charging: about 25 times Charging compartment input current: 5V 1A Button lighting: red and blue Headphone material: PC material Play pause (click), answer hang up (click), summon Siri ( Product function: short press), volume adjustment (triple hit), switch up and down song (double click) Switch on and off (long press for 5 seconds) Applicable Products Earphone charging: Put the earphones into the charging compartment and close the cover, The earphone