149 QR
Bluetooth: 5.3 Maximum range: 10 m Frequency range: 20 Hz - 20 kHz Magnet size: 40 mm Impedance: 3202 Headset sensitivity: 102 dB + 3 aB Signal/noise ratio: 90 dB Integrated battery: Lithium-ion polymer 3.7V 500 mAh Charging: USB A to Type C cable included Autonomy: 50 hours at 50% of the maximum volume in Bluetooth mode