The wireless neckband with great sound and seamless Bluetooth V5.3 connectivity. Equipped with an 850mAh battery, these earbuds provide enough power for 100 hours of music playback and 90 hours of talk time at 80% volume. The 13mm driver produces powerful dynamic sound, featuring a 90dB signal-to-noise ratio and a sensitivity of less than 42dB, ensuring crystal-clear calls and audio. The earbuds support seamless dual-mode, allowing you to easily switch between music and calls. Additionally, they have a Type-C charging port for fast charging, enabling you to fully charge the earbuds within 2 hours; standby time reaches up to 180 days, making them ideal for long-term use. The earbuds also support voice assistant features for hands-free control. The Powerology Toneflex ENC earbuds will reward you with excellent performance, superior comfort, and pure sound during your long commutes or workouts. Features Voice Assistant Type-C Charging Crystal Clear Calls Seamless Dual Mode Specification Bluetooth Version: V5.3 Bluetooth Range: 8-15 meters Battery Capacity: 850mAh Signal-to-Noise Ratio: 90dB Sensitivity: