Solar Powered Active Noise Cancelling Headphones Gray Army Green, Wireless Over-Ear Bluetooth 5.3 for Travel Study Calls, 22dB ANC, 40mm Drivers, Up to 30H Battery, 2.5H Charging

Features

• Solar Powered “Infinite Playtime”: Charge with sunlight for extra listening time wherever you go.
• 22dB Active Noise Cancelling: Reduces outside noise so you can focus on music, calls, or podcasts.
• Bluetooth 5.3 Stable Connection: Faster pairing and smoother wireless performance up to 10m range.
• Long Battery Life: Up to 30 hours (ANC Off) or 20 hours (ANC On) for all-day use.
• Big 40mm Drivers: Rich bass and clear sound across 20Hz–20kHz frequency response.
• Noise Cancelling: ANC up to 22dB
• Battery & Charging: 3.7V 300mAh | 30H (ANC Off) / 20H (ANC On) | 2.5H charge time
• Wireless: Bluetooth 5.3 | Working distance up to 10m
• Audio: 40mm drivers | Frequency range 20Hz–20kHz