This product is a junk item. As it is a junk item, we do not accept returns. No instruction manual etc. 【Sound Quality Features】 The Liberty 2 Pro offers a personalized live stage sound, providing an immersive music experience. 【Bluetooth Functionality】 Bluetooth compatible, allowing you to enjoy music wirelessly and comfortably. 【Battery Performance】 Boasts a maximum battery life of 32 hours, allowing for extended use. - Model Name: Liberty 2 Pro - Bluetooth Compatibility: Yes - Package Contents: Earphones, Charging Case - Charging Case Condition: Scratched - Charging Case Color: Gray - Earphone Color: Gray - Sound Quality Features: Personalized live stage sound - Battery Life: Up to 32 hours Thank you for viewing.