Incredible Battery life - Up to 9 playback hours from a single charge. 36 hours additional charge - Carry case holds an extra 4 full charges. Charge headphones from empty to full in just 30 minutes. Stunning sound quality ƒ?? Graphene driver diaphragms deliver a superior listening experience with deep bass & clear treble. Comfortable & Lightweight ƒ?? Just 4.6g each. Excellent fit that ensures both comfort and improved sound quality. Bluetooth 5.0 - Superior connection with no drops in signal. Support for SBC, AAC and aptX to deliver up to CD-quality audio. 1-year warranty if sold from an authorized retailer.