Wireless earbuds with up to 40 hours of battery life and adaptive noise canceling. Model Name: Tour Pro 2 Bluetooth Version: V5.3 Noise Canceling: Adaptive Noise Cancelling Charging Method: Wireless Charging Battery Life: Up to 40 hours App Support: Google Play / App Store compatible Smart Control Features: Smart Ambient Control / Music Control / Call Control The sound quality and immersive feeling are excellent, used a few times. In excellent condition. A set including the earbuds, charging cable, instruction manual, box, 4 sizes of ear tips, and a carabiner-equipped silicone cover. Thank you for looking.