Transparency mode for hearing and connecting with the world around you
Three sizes of soft, tapered silicone tips for a customizable fit
Sweat and water resistant
Adaptive EQ automatically tunes music to the shape of your ear
Easy setup for all your Apple devices
Quick access to Siri by saying “Hey Siri”
The Wireless Charging Case delivers more than 24 hours of battery life
If there is no sound on one side when you use at the first time , please pair it first. The pairing method is: open the lid, and then press and hold the power button, 2 earphones will light up, wait for the earphone light to go out. then it will work fine !!!!