Dear buyers, hello everyone. Let me introduce our products to you first. Our products come with two layers of packaging. As shown in the pictures in the product description, we have carried out a second layer of packaging on the exterior of the products. But please rest assured, after receiving the goods, you can open the outer packaging and the purchased products will be inside. Thank you for your understanding. If you want more detailed photos, Please do not take photos and upload your comments. If you are satisfied with the product, please give it a five-star rating. Thank you very much. 。 If you would like to view more product photos, please contact us. Please note: (All our orders are packed in two boxes. There is an outer box with other patterns. Open the outer box and inside is the original box. Thank you!) Note: Due to the long transportation time, it is necessary to charge the package for 2 to 3 hours after receiving it before it can be used. Thank you Note: The upper window function works properly in iOS 18 and above systems. What's the situation with us? Name change + GPS positioning 2. Support wireless charging; 3. In-ear intelligent sensor; 4. Support the window (for iOS), then open the cover; 5. Precise bombardment; 6. Upgraded with Bluetooth 5.0 chip, enhanced performance, no lagging at 10 meters and continuous operation; 8. Compression sensor; 9. Listen to music and make calls for 3+ hours, with long battery life; 10. Ready-to-use automatic startup / automatic pairing; 11. Fully compatible with iOS/Android and all mobile phones; 12. Noise reduction; 13. Transparent Mode 14. φ 14.3 High-quality speaker; 15. High-fidelity stereo ultra-high quality sound; 16. True Active Noise Cancellation (ANC) 17. Hybrid active noise reduction (dual active noise reduction microphones) When the headphones are connected to the mobile phone, you need to make sure that the phone is not connected to any other Bluetooth devices. Thank you. Only in this way can the headphones work properly.