This product supports calling + charging + listening to songs, charging current 1.5A (support iOS11 system)

Perfectly compatible with IOS system 10.3 and above, built-in decoder chip, audio output and charging synchronization, perfect support for headset function
The product is made of aluminum alloy, high quality and durable TPE wire, small and exquisite, easy to carry
Shell: aluminum alloy
Small shell size: 20*9.3*5.3

Output current: 1.5A
Frequency response: 20Hz-20KHz
Signal to noise ratio: THD + N: -80dB
Output power: 2x35mW @ 32Ω

Functional description: listening to music + charging 1.5A + direct call, supports all the wire control functions of Apple's original headset.
The headphone detection time is 3 seconds. Listening to songs and loading them in no particular order. .