Description: LED Display: The earphones are designed with a LED screen that can display the electric quantity of the earbuds and charging case, reminding you to charge in time, making your life more convenient. Rechargeable: There is a 3500mAh charging case, which can charge your earbuds easily, you can use the earphones for a long time after fully charged, and the small size makes it easy for you to carry. Noise cancelling: The headset support reducing the environment noise when listening to music, you can enjoy clear and good music at any time, giving you a good listening experience. Hands-free calling: This headphone is equipped with a built-in microphone, you can answer calls easily, freeing your hands when driving or working. Wireless: The earbuds work with bluetooth-compatible V5.0 technology, which can pair your device automatically, ensuring a clear sound and stable connection, not easy to make trouble for you. Specification: Color: white. Size: show as pictures. Bluetooth-compatible version: V5.0. Transferring distance: approx. 20m/787.4inch. Music time: about 5-6h. Calling time: about 4-5h. Speaker: dynamic. Approx. 6mm/0.24inch, 16Ω. Earbuds battery: 40mAh*2. Charging case battery: 3500mAh. Charging case input/output: 5V/1A. Charging case charging time: about 2-3h. Earbuds charging time: about 1h. Protocol: A2DP/AVRCP/HFP/HSP. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 1 Pair Earbuds(with 1 Piece Charging Cable, 1 Piece Introduction, 1 Piece Charging Case).