Wireless by Bluetooth ANC+ENC Noise cancellation Detachable Flexible Boom Microphone Comfortable over-ear ear-cups Technical data Bluetooth chip: Realtek RTL8773 Speaker size: 40mm Impedance: 32 Ohm Frequency Response: 20 Hz - 20 kHz Sensitivity: 110 dB +/- 3dB Built-in Rechargeable Li-On Battery: 300 mAh Working time per charge: Appr. 13 hours Charging Time: 2 hours Charging input port: USB-C Wireless range: 10 meters Length of microphone arm: 14 cm + 3 cm plug Weight: 211 g In the set: 1 Sandberg Bluetooth Headset ANC FlexMic 1 Charging cable, USB-C male to USB-A male, 30 cm 1 Flexible microphone arm, with Mini-jack male plug 1 Quick guide
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