Brand HUAWEI Colour Black Ear placement In Ear Form factor In Ear Noise control Active Noise Cancellation About this item 【Intelligent Dynamic ANC 4.0】: Intelligent noise cancellation via an 8mm² air vent and triple mics blocks distractions in any noisy environment. Even in a noisy metrao, a chaotic dorm or a cafe 【Experience Unlimited spatial audio with Head Tracking】: 360° immersion on any device. Features an 11mm quad-magnet driver for lifelike sound & studio balance. Customize with 10-band EQ & personal audio styles. 【Stable & Clear Calls】: FreeBuds 7i Bluetooth Earphones with AI & Bone Voice Pickup. Triple mics + bone sensor capture your voice, AI cancels wind/noise up to 90dB for crisp conversations anywhere. 【Comfortable Fit & Fast Charging】：Enjoy a perfect seal and noise isolation with four sizes of ear tips, while 10-minute fast charging gives you 4 hours of playback from a total 35-hour battery life. 【Compatible with Android and iOS】: Compatible with Android/iOS/Windows, connect 2 devices simultaneously & auto-switch audio. Supports seamless audio switching across multiple devices on EMUI systems