Green Lion Echo Max Headphone Blue

-Aux Cable
-Microphone
-Comfortable To Wear
-Light Weight
– Bluetooth: 5.3
– Maximum range: 10 m
-Frequency range: 20 Hz – 20 kHz
-Magnet size: 40 mm
-Impedance: 32Ω
-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
-Autonomy: 50 hours at 50% of the maximum volume in Bluetooth mode