Product information：
Transmission range: 10 metersFunction: call function, support musicBluetooth protocol: 5.0Channel: StereoHow to use: earplug typeSingle or dual ear: bilateral stereo
Packaging：
Headphones*1
Secure payment
Secure Privacy
Refund in case of loss of the parcel
Refund for non-delivery
Refund if the item is damaged
