About this item 2 in 1 Sleep Headphones & Sports Headband - This Bluetooth 5.4 Headphones Headband enables you to enjoy music without wearing extra headphones, while keeping your hair and sweat tidy. It features a built-in microphone to prevent missed calls. The sweat-proof sports headband is suitable for outdoor activities such as gym workouts, jogging, yoga, and more. Additionally, it can assist with relaxation, meditation, naps, travel, and more. Built-in HD Stereo Speakers for Side Sleepers - These sleeping headphones offer Bluetooth 5.4 technology and immersive stereo sound. With advanced Bluetooth 5.4 technology, the wireless headband headphones provide a fast and stable connection. Alongside 40mm composite drivers, these wireless music headband headphones deliver pure and balanced audio output with loud sound, rich bass, clear midrange, and balanced treble, resulting in extraordinary clarity and detail for all music genres. Long-Lasting Playtime Battery & Fast Charging - Our sle