ANC+ENC Noise Cancelling Bluetooth Headphones Wireless Gaming Headset BL51 - Black Features: Enjoy crystal-clear audio with Active Noise Cancellation (ANC) and Environmental Noise Cancellation (ENC) technology ANC reduces ambient noise for a focused listening experience While ENC ensures your voice is heard clearly during calls, even in noisy environments Built-in 500mAh lithium battery, enjoy 60 hours of continuous playback for a continuous flow of dynamic music Experience unmatched comfort with ultra-soft protein leather earmuffs that are both breathable and sweat-proof The foldable design makes this headset easy to carry and store Whether you're traveling or simply storing it away, the compact design ensures convenience and portability Equipped with a 40mm speaker diameter for rich sound quality and a TYPE-C charging port for fast recharging The headset charges fully in just 2 hours, so you can get back to enjoying your music quickly Specifications: Brand: FONENG Model: BL51 Chipset