A. Bluetooth Headset, Wireless Headset, Bluetooth 5.0 2024 Linzero Gift B. Features: 1. Open the lid to connect (pop up animation when connecting with iPhone System). 2. Display of real battery percentage on iPhone (for 2 earbuds and charging case). 3. In-ear sensor, supporting noise reduction and transparency mode. 4. No LED on earbuds (the LED on charging case will work when the case starts to charge the earbuds). 5. Transmission distance of 10 meters, supporting precise positioning. 6. Auto power on and power off. 7. Can be used separately or together. 8. Bluetooth 5.0. 9. The name and tap control of the bluetooth device can be changed now (Only compatible with iPhone System 13.1 or above). C. Connection with iPhone device: 1. Open the lid of the case and turn on the bluetooth on the device; the pop-up function will work. Then you will see a notice to press the button on the back of the charging case. 2. Long press (about 4 seconds) the button, and you will see the white LED blink. Then the earbuds will connect with the phone automatically. D. Connection with Android or other devices: 1. Open