Green Lion Echo Max Headphones with Active Noise Cancellation

Active Noise Cancellation (ANC): Helps reduce unwanted background noise for a more focused listening experience. Bluetooth 5.3: Provides a stable and efficient wireless connection. Up to 10m Range: Enjoy wireless freedom within a range of up to 10 metres. 40mm Drivers: Delivers rich and immersive audio with clear sound. Wide Frequency Range: 20Hz – 20kHz for balanced audio reproduction. Long Battery Life: Up to 50 hours of playback at 50% volume in Bluetooth mode. 500mAh Battery: Built-in 3.7V lithium-ion polymer battery. USB-C Charging: Convenient and modern charging connection. USB-C / USB-A Cable Included: Comes with a charging cable for added convenience. 32Ω Impedance: Designed for efficient everyday audio performance. 102dB ±3dB Sensitivity: Provides strong and clear audio output. 90dB Signal-to-Noise Ratio: Helps deliver cleaner audio with reduced background interference.