• In-ear style, better for noise reduction

• Built-in microphone offer hands-free calling experience
  

• One-button control, you can press to answer/reject calls or pause/play music

• Universal 3.5mm jack design, fits for most of smartphones, tablets, MP3, MP4, etc

• Non-OEM product, but high quality
  

• Length: about 1.2m
  

Compatible with:

• iPhone 7

• Samsung Galaxy S7

• Oppo R9s Plus

• Oppo R9s

• Vivo X9 Plus

• Vivo Y51

• Other devices with 3.5mm interface