Bluetooth 5.1 Foldable Over-Ear Headset Bluetooth Wireless Headset w/ Detachable MicrophoneThis wireless headset is equipped with Bluetooth 5.1 technology, which enables audio transmission from your smart device or computer within a distance of up to 10M. It supports A2DP, AHSP, and HFP profiles. In addition to Bluetooth, you can also play MP3 files from a microSD card or 3.5mm audio input (using the provided 3.5mm audio cable). The headset features 40mm dynamic drivers that deliver high-definition immersive audio. It has a detachable noise-cancelling microphone that is ideal for gaming or making phone calls. The soft, cushioned earpads and an adjustable headband offer excellent comfort. The RGB lights on the earcups add a touch of style to your gaming setup. The wireless headset has a built-in lithium battery that supports up to 8 hours of operation in wireless mode and can be recharged from your computer or an optional USB charger (USB cable provided). They are easy to use and foldable for convenient storage in your backpack. 40mm High Performance Speaker drivers. Ergonomic Design, foldable and adjustable headband length. Comfortable cushioned earpads. BT 5.1 technology offers fast transmission speed and high-quality audio streaming signal. Built-in 400mAh rechargeable lithium battery to support up to 8 hours of music or talking time and a standby time of up to 120 hours. USB-C charging port (charger not included). Supports playing music from inbuilt TF Micro-SD player. Includes 3.5mm audio cable for hard-wired option. Detachable microphone enables hands-free calls.