Green Lion Echo Max Headphone – Desert Titanium

-Autonomy: 50 hours at 50% of the maximum volume in Bluetooth mode

-Charging Method: USB-C / USB-A cable included

-Integrated Battery: Lithium-ion polymer 3.7V 500 mAh

-Headset Sensitivity: 102 dB ± 3 dB

-Frequency Range: 20 Hz – 20 kHz

-Maximum Range: 10 meters

-Signal/Noise Ratio: 90 dB

-Bluetooth Version: 5.3

-Magnet Size: 40 mm

-Built-in Microphone

-Impedance: 32Ω

-Aux Cable