Wireless neckband with great sound and seamless Bluetooth V5.3 connectivity. Equipped with an 850mAh battery, these headphones 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 headphones 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 headphones in just 2 hours. The standby time reaches up to 180 days, making them ideal for long-term use. The headphones also support voice assistant features for hands-free control. Powerology Toneflex ENC headphones 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: