The Choetech BH-T02 wireless headphones are the answer. You can listen to your favorite music whenever you want and won't ever have to worry about tangled cables again because of the Bluetooth connection. If you spend a lot of time traveling to work or school, this is the ideal solution for you. The large battery will allow you to unwind for many hours, and you can charge the headphones by putting them in the case if needed. Details: The Choetech brand TWS wireless headphones are the type. Type of charging port: USB Type C <20 cm is the effective microphone range. Bluetooth version: 5.1 Range: up to ten meters Response to frequency: 60 Hz to 20 kHz Time spent in operation: 3.5 hours 240mAh is the charging case's battery capacity. Headphone battery capacity: 25 mAh The set consists of: 2 x