1. Vibrant LED Breathing Lights Add flair to your music sessions with colorful LED breathing lights.A perfect combination of fashion and functionality, showcasing your personality. 2. Advanced Bluetooth Connectivity Upgraded BT5.5 chip ensures smooth, lag-free audio and video playback.Enjoy stronger signals and improved stability with up to 20 meters wireless range. 3. Superior Comfort Ergonomically designed ear clips fit snugly and comfortably without causing discomfort.Enhanced low-frequency response delivers impactful bass for immersive audio. 4. Extended Battery Life 300mAh charging case and 40mAh earbuds provide up to 60 hours of total battery life, so you can stay powered on the go. 5. Waterproof and Durable IPX4 waterproof rating protects against sweat and light rain, perfect for sports and outdoor activities. 6. Quick and Convenient Charging Fast Type-C charging ensures you're always ready for your next adventure.Full charge achieved in just 2 hours, keeping downtime to a minimum. Technical Specifications Vocalism Principle: Bone Conduction Bluetooth Version: V5.5 Transmission Distance: 20 meters Battery Capacity: 300mAh (case), 40mAh (earbud) Battery Life: 60 hours Charging Time: Approx. 2 hours Frequency Response: 20Hz-20kHz Waterproof Rating: IPX4 Earbud Weight: 6.5g Colour:A black / B silver Material:ABS Package Contents: 1 * ear clip Bluetooth headset 1 * data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.