HiFi Sound Quality: Enjoy music on the go with this small portable MP3 player. Large LCD screen to show information: Show all important information on the screen, such as text, battery, volume and Bluetooth connection. (Text display is only available when TF card mode is selected). Bluetooth 5.0 transmission: Compatible with headphones with 3.5mm jack. You can connect to MP3 to transfer music via your mobile phone's Bluetooth, or import music by inserting a TF card. Noticed : This product cannot connect to Bluetooth headsets. Bluetooth Remote Control: The small Bluetooth remote control allows you to take photos independently, whether for selfies or for full body photos. (Must be used in camera mode (C33-HID)). Bluetooth one-click call: With its built-in microphone and control functions, this device allows you to make calls easily with clear and bright sound. It also uses CVC voice noise reduction technology to enhance audio while reducing ambient noise, for a clearer call experience. Large Battery Capacity: This mini MP3 is equipped with a built-in 200mAh large capacity battery, which gives you 6 hours of continuous use after fully charged. A USB Type-C charging cable is supplied with the product.