The Green Lion Echo Max Headphones in black and orange are splendid in sound and predictability. The Bluetooth 5.3 ensures a maximum range of 10 meters and a good frequency quality ranging from 20 Hz to 20 kHz for a refined sound. The 40 mm magnets with 32 provide a potentially balanced audio signal, while 102 dB of sensitivity allows for significant levels of clear, full audio. The 500 mAh lithium-ion battery lasts in Bluetooth mode for 50 hours on an average of 50% of its volume. It also has other features: a built-in mic, 48-hour playtime, and USB-C/USB-A charging for use.

• Bluetooth: 5.3
• Maximum Range: 10 m
• Frequency Range: 20 Hz – 20 kHz
• Magnet Size: 40 mm
• Impedance: 32
• Headset Sensitivity: 102 dB 3 dB
• Signal/Noise Ratio: 90 dB
• Integrated Battery: Lithium-ion Polymer 3.7V 500 mAh
• Charging: USB-C / USB-A Cable Included