QuietComfort Earbuds Delivering silence so you can enjoy lifelike audio, the Bose QuietComfort Noise-Canceling True Wireless In-Ear Headphones feature 11 different levels of active noise cancellation. Each level filters out more of the distracting ambient sounds around you. When left with just your music, Bose's volume-optimized active EQ technology will automatically adjust the lows and highs, keeping your audio consistently balanced. Key Features 11 Levels of Active Noise Cancellation Up to 6 Hours of Audio Charging Case for 12 Additional Hours Volume-Optimized Active EQ Technology Aware Mode with ActiveSense Hear Others in Full Transparency Mode IPX4 Sweat & Weather Resistance Microphone System Filters Out Noise Interact with Digital Assistant Software Charging Case Supports Wireless Charging Aware Mode with ActiveSense For a more balanced audio experience you can activate Aware Mode with ActiveSense. This mode combines your audio with the ambient sounds around you, but if those sounds get too loud, ActiveSense will increase noise cancellation to keep ambient sound at an acceptable volume. Full Transparency Activating the full transparency feature makes it sound as if you aren't wearing any headphones at all. This allows you to place an order or carry on a conversation without having to take out your QuietComfort earbuds. Listen While Working Out Thanks to IPX4-rated sweat and weather resistance, you can wear your QuietComfort true wireless headphones at the gym or outside on a run. Comfortable Eartips Bose's StayHear Max eartips are constructed to ensure that every part that touches your ears is made from soft silicone. For a better fit, the medium-sized eartips can be replaced with either the included small or large pair of StayHear Max eartips. Integrated Touch Controls Tap the sides of the earbuds to activate your device's digital assistant and to manage audio, calls, and noise cancellation levels. Bose Music App Utilize the Bose Music app to customize noise cancelation setting, manage paired Bluetooth devices, update the earbuds' firmware, and more. Additional Features Quick charge for 15 minutes to get up to 2 hours of playback Charging case magnetically secures your earbuds for charging Recharge the charging case via the included USB cable or an (optional) Qi-compatible charging pad Earbuds will pair with the last device automatically once the case's lid is opened External LEDs on the case display battery status Specifications Headphone Earpiece Design In-Ear (Intra-Aural) Active Noise Cancellation Yes Controls/Microphone Location Controls: Left Earpiece, Right Earpiece Microphone: Left Earpiece, Right Earpiece Full Remote OS Support Not Specified by Manufacturer Wireless Connectivity Bluetooth 5.1 Supported Audio Codecs AAC, SBC Wireless Range 30' / 9.1 m Battery Runtime 6 Hours (BT+ANC) Quick Charging Times 15 Minutes for 2 Hours Charging Port Pins Charging Case Additional Runtime 12 Hours Recharge Time 3 Hours Charging Interface USB-C Physical Color Black Water Resistance Resistant IP Rating IPX4 Environmental Protection Advertised as Water Resistant *Manufacturer Testing: IPX4 LED Indicator Yes