Sony WH-CH520 Wireless Headphones Bluetooth On-Ear Headset with Microphone, Black. Features: LONG BATTERY LIFE: With up to 50-hour battery life and quick charging, you?ll have enough power for multi-day road trips and long festival weekends. (USB Type-C Cable included) HIGH QUALITY SOUND: Great sound quality customizable to your music preference with EQ Custom on the Sony | Headphones Connect App. LIGHT COMFORTABLE: The lightweight build and swivel earcups gently slip on and off, while the adjustable headband, cushion and soft ear pads give you all-day comfort. CRYSTAL CLEAR CALLS: A built-in microphone provides you with hands-free calling. No need to even take your phone from your pocket. MULTIPOINT CONNECTION: Quickly switch between two devices at once. AVAILABLE IN FOUR COLORS: With Black, Blue, White, and Cappuccino to choose from, find the color that suits you best. GIVE YOUR MUSIC A BOOST: Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. FIND YOUR HEADPHONES WITH FAST PAIR: Easily find your missing headphones by sound or check their last known location in Google?s Find My Device app on your smartphone. EASY CONNECTION TO YOUR PC: Swift Pair makes it quick and easy to pair your headphones with your Windows 10 computer via Bluetooth.