Feature: 1.The wireless Small ear bud has new Bluetooth 5.3 chip,the wireless connection is faster and more stable. 2. Opening the Sleep Earbuds charging case to automatically boot and connect to the phone, automatically shut down and charge when put earbuds into the charge case, easy to use. 3. The invisible earbuds have 10mm diaphragm unit with triple frequency equalization and rich details. The stereo HIFI sound effect allows you to sing on the scene and output the original sound with high fidelity. 4.The small bluetooth earbuds can accurately identify and effectively suppress external noise during a call, with clear voice even in a noisy environment, make your call smooth. Specifications: Transmission distance: 10 meters (obstacle free) Bluetooth version: v5.3 Charging interface: Type-c fast charging Charging duration: approximately 1-2 hours Color: black/white/skin tone Package include: 1 * Earphones 1 * TYPE-C cable 1 * User manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.