Aiming to deliver a private mobile experience, especially when you're in public, the black QuietComfort Earbuds II Noise-Canceling True Wireless In-Ear Headphones from Bose features a host of noise isolating and cancelling technologies. • Model: 883974-0010 • Headphone: Earpiece Design In-Ear (Intra-Aural) • Driver Type: Dynamic • Active Noise Cancellation: Yes • Controls/Microphone Location • Microphone: Left Earpiece, Right Earpiece • Mobile App Compatible: Yes: Android & iOS • Functionality: Adjust Settings • Sensors: Touch • Number of Voice Mics: 4 • Wireless: Bluetooth 5.3 • Wireless Range: 30' / 9.1 m • NFC: No • Runtime: 6 Hours (BT+ANC) • Quick Charging Times: 20 Minutes for 2 Hours • Charging Case • Additional Runtime with Charging Case: 18 Hours (BT+ANC) • 3 Hours (4.18 Wh Batteries) • Color: Black • Environmental Protection: Water-Resistant (IPX4) **includes Fabric Carry Case and Bose QuietComfort Earbuds II Case**Bose QuietComfort Earbuds II w/ Protective Fabric Case Cover