Anker SoundCore A30i Wireless Headphones, Smart Noise Cancelling Technology, Bluetooth 5.4, IP54, Black On-the-Go DesignFeaturing a chic lipstick-shaped housing, the Soundcore A30i makes style and comfort a priority. The small, lightweight headphones are ergonomically designed for an optimal fit, while feeling virtually weightless. Powerful and Intelligent Noise CancellationThe Soundcore A30i noise-cancelling headphones block out noise up to 46 dB. Using adaptive algorithms, the A30i detects external sound and automatically adjusts to the appropriate level of noise cancellation, perfect for you. Clear Sound with 3D Surround SoundThe Soundcore A30i has composite diaphragms, so you can enjoy clear, well-balanced sound. Access the Soundcore app to activate the 3D surround sound effect for a more immersive audio experience. Clear calls enhanced by artificial intelligence Experience clear calls wherever you are, with 4 microphones built into the wireless earbuds, along with an AI algorithm trained to accurately capture your voice. Easy to use Enjoy a simple and stable connection with Bluetooth 5.4. Multipoint connection allows you to connect with your laptop and phone, easily switching between them. Use a single earbud whenever the situation calls for it. Splash and dust resistant With an IP54 water resistance rating and dust-resistant design, you can be sure that the Soundcore A30i are protected from splashes of water and any persistent. 24-hour autonomy Enjoy 7 hours of listening time from a single charge, conveniently extending to 24 hours with the charging case. When you're in a hurry, a quick 10-minute charge provides 2 hours of playback.