wireless, noise-canceling headphones with solar charging capabilities. Key features include: Active Noise Cancellation (ANC): Reduces ambient noise by 22dB. Infinite Playtime: Possibly referring to extended battery life with solar charging. Battery Life: Up to 30 hours without ANC, 20 hours with ANC. Bluetooth 5.3: Ensures stable and efficient wireless connection. Working Distance: Operates within a 10-meter range. Charging Time: Takes approximately 2.5 hours to fully charge.