These are completely wireless earphones in a cute toy camera-shaped charging case. They have a battery level indicator. I am selling them as unused because they were not compatible with my smartphone. Color: Brown Connection Method: Bluetooth 5.3 Charging Port: USB-C type Continuous Playback: Approximately 3-4 hours Charging Time: Approximately 50 minutes Single-ear connection: OK Calling: Possible (High-performance HD microphone) Included Accessories: Earphone body Case USB type C cable Instruction manual (read the case QR code) Anonymous shipping via Yu-packet Post Mini. The cute, compact case has a battery level indicator function. You can see the battery level of the main case!