Transmission range: 10 metersFunction: mobile phone charging, battery display, call function, NFC function, voice control, support musicBluetooth protocol: 5.0Channel: stereoHow to use: Earplug typeColor: black, white, pink, blue, green
Secure payment
Secure Privacy
Refund in case of loss of the parcel
Refund for non-delivery
Refund if the item is damaged