The Tilde Air Active Noise Cancelling (ANC) Headset is ideal for open workspaces and offices with a 30 metre operating range. Featuring adjustable noise reduction to gradually reduce background noise and eliminate distractions. This lightweight headset weighs just 40 grams and features a comfortable, flexible neckband. With Bluetooth connectivity and upto 18 hours battery life, the headset is supplied complete with a 2 year warranty.