COMMERCIAL INFORMATION:Q-Connect wireless headset with microphone. Has dual connection, BT and a USB dongle integrated inside one of the earpieces. Has ultra light and breathable ear pads for extra comfort. The flexible microphone arm has an instant mute button on top of the mouthpiece. The headset can be connected to up to 2 devices and has an operation range of around 10m. Charging time is around 2 hours. Also has AI environment noise cancelling Mic. To be eco-friendly the headset is made for 20% from recycled plastics.TECHNICAL INFORMATION:Battery: rechargeable 400mAh Li-polymer batteryBT: V5.2Charging time: 2hDual connection: BT + USB dongleExtra: USB dongle integrated in one of the earpieces of the headphoneExtra: AI Noise cancelling Mic(ENC)Extra: can be connected with 2 devicesExtra: ultra light and breathable earmuffs