ACEFAST N1 ENC Wireless Neckband Headphones: Bluetooth 5.3, ENC Noise Reduction for Clear Calls, Hi-Fi Stereo Sound, 2×450mAh Battery, Up to 150 Hours Music Playback, 90 Hours Talk Time, 10-Minute Fast Charging for 13 Hours of Use, USB-C Charging, IPX4 Water Resistance, Magnetic Earbuds Design, and Ergonomic Neckband.