Description [LED Digital Display & Colourful Design] Stay informed with the precise LED display showing the power status of both earbuds and charging case. Enjoy the futuristic transparent design in 4 colours. These splash-resistant earbuds safeguard against sweat for worry-free use. [Smart Touch Control & Comfortable Fits]: These earbuds feature touch controls on each bud for easy call handling, playback control, and volume adjustment. Crystal earbuds include three ear tip sizes, ensuring a comfortable fit. The silicone case complements the headphones, enhancing your overall experience. [Advanced Bluetooth Chip & Auto Quick Pairing]: The Crystal noise-cancelling wireless earbuds feature a powerful Bluetooth chip for stable signals and crystal-clear sound. These earphones offer seamless auto connection connecting instantly when the earbuds are removed from the charging case. [Fast Charging & Long Battery Life]: fast charging with these earbuds. Just 10 minutes of charging gives you 3.5 hours of use. With a full charge, enjoy four hours of playback and up to 30 hours with the portable charging case for uninterrupted music enjoyment on the go.