Introducing the Sony WI C100 Wireless Headphones with microphone! Delivering up to 25 hours of battery power, you can enjoy non-stop music with these Bluetooth earphones. A quick charging feature is also included for when you're in a rush with just 10 minutes of charging providing up to 60 minutes of playback. Sound quality is excellent. Even when you are listening to compressed music files on your Sony wireless earbuds, our Digital Sound Enhancement Engine (DSEE) will restore the track closer to its original recording quality. You can enjoy a personalised sound experience too simply choose from the list of presets to best suit the genre you are listening to or use the equaliser in the Sony Headphones Connect app to create your own custom presets. IPX4 rated for water resistance, you don't need to worry about the rain or sweat when wearing your headphones either! Got a call coming in? You will hear and be heard clearly when taking hands-free phone calls on the WI C100. As these are earphones with mic functions, you can also get hands-free help from your preferred voice assistant just ask to get directions, play music, send a message to a contact, and more. Form Factor: In-Ear Battery Life: Up to 25 hours Connectivity: Bluetooth, USB-C Waterproof: IPX4 Water Resistant Noise Cancelling: No