Warranty: 1 Year Features: IPX5 Sweat Proof 10mm Dynamic Drivers Long lasting battery backup Handle calls and music with easy control buttons Light weight and comfortable design Super-fast charging Magnetic Hall Switch Type-C charging Features: Playback : Up to 30 Hrs Bluetooth version : V5.2 Frequency : 20-20KHz Sensitivity : -42dB Wireless range : About 10m