SMART COLOR SCREEN CHARGING COMPARTMENT MULTIFUNCTIONAL: The full-color smart touch screen Bluetooth headset is a combination of Bluetooth headset and smart touch screen function with innovative design. The earbuds are equipped with a colorful touch screen, which allows users to touch the screen to control 13 control functions such as music, answering calls, ambient noise cancellation, EQ equalizer, self-timer, language switching, time, photo control, and so on. FAST CHARGING: These wireless headphones are equipped with a charging compartment that takes only 1 hour to charge each time and can be used for up to 4.5 hours on a single charge, and individual wireless headphones can be cross-charged for up to 36 hours in the charging case, or used in combination. The Bluetooth headset LED display accurately shows the remaining power of the headset and charging case. BLUETOOTH 5.3 TRANSMISSION TECHNOLOGY & COMPATIBILITY: Adopts Bluetooth 5.3 technology to improve high-speed transmission and stable connection, which also ensures stable transmission in outdoor and intensive places, open the charging case, iPhone/Android wireless headset is automatically paired with the headset, compatible with most cell phones and tablets.