Main Features: ● In-ear design to isolated from outside noise.
● Comfortable earbuds， wear it in a long time.
● Built-in microphone， handsfree to talk.
● 3.5mm plug， compatible with most devices. Function: Answering Phone，HiFi，Microphone Connectivity : Wired
Application: Computer，For iPod，Mobile phone，Portable Media Player
Plug Type: 3.5mm
Frequency response: 20-20000Hz
Impedance: 8ohms
Microphone frequency: 100 - 10KHz
Microphone impedance : 2.0K ohms Package weight: 0.065 kg
Package size (L x W x H): 8.00 x 2.20 x 12.50 cm / 3.15 x 0.87 x 4.92 inches Package Contents: 1 x Earphones， 4 x Earbud