supply high quality earphones
Dynamic speakers
Drive unit: 15mm
optional colors: white, black, green, red, purple
cord length:about 1.3m
sensitivity: 98dB at 1KHz
frequency response: 20-20kHz...
manufacturing and sell earphone in-ear
Dynamic speaker
good sound quality
standard TPE cord , won't get twisted easily
cord length: about 1.3m
plug: stero mini plug, 3.5mm/2.5mm, plated Au, well...