Holy Bat-Signal! These light-up Batman Bluetooth headphones are ready for your next heroic adventure. Equipped with Bluetooth v5.0, they connect effortlessly to your device and their 2-in-1 design means you can use them with an audio cable as well. They have a built-in microphone so you can make and take phone calls hands-free, an operation distance of up to 10 meters and a playback duration of up to 4 hours.