The boAt Nirvana Crystl is a pair of stylish True Wireless Stereo (TWS) earbuds, designed for those who seek high-quality sound, modern aesthetics, and convenience. These earbuds feature 13mm dynamic drivers that deliver rich sound with deep bass, ensuring an immersive listening experience. The added Active Noise Cancellation (ANC) reduces external noise, allowing you to focus on your music or calls without interruptions. Additionally, Environmental Noise Cancellation (ENC) enhances call quality by filtering out background noise, providing clear voice transmission even in noisy environments. The earbuds provide up to 30 hours of total playback with the charging case, while offering 5-6 hours of continuous use on a single charge. With USB Type-C fast charging, just 10 minutes of charge gives you an additional 2 hours of listening time. The IPX4 water resistance rating ensures that the earbuds are resistant to sweat and light rain, making them ideal for exercise and outdoor activities.