The difference between i12 and i9

I9: Keyboard button
I12: touch button

 

i9s tws bluetooth 5.0 earphones
i9s tws Twins Earbuds Mini Wireless Bluetooth Earphones Air Pod Headsets Stereo Earbuds Wireless For Xiaomi iPhone Android

Features:

  Bluetooth version: Bluetooth 5.0
  Transmission distance: outdoor straight line distance 10-15 meters
  Battery capacity: polymer lithium battery
  Function: fast charging, HD call
  Listening to music time: 2.5 hours Up and down music / pause playback
  Call time: 2 hours
  Standby time: 130 hours
  Charging time: 1-2 hours
  Product specifications: full set weight: 131g
  Packing specification: 10*10*3.3cm
  Standard: pair of headphones + headset charging box + Lighting interface charging cable + manual + box + silicone protective cover + hook