Up to 37 hours battery life Great for flexibility in noisy offices Bluetooth, up to 30m Connect to up to 2 devices Built to last 2 year warranty Passive Noise-Cancellation Busylight visible from all angles On-ear wearing style Fast charge Performance Certification Microsoft Teams Country of origin China Auto-connect Yes Music playback Yes Hearing protection technologies Jabra PeakStop, Jabra Safetone G616 Number of simultaneously connected devices (max) 2 LED indicators Yes Backlight Yes Cable colour Beige Volume control Button Operating keys Volume +, Volume - Product colour Beige Headset type Binaural Recommended usage Office/Call center Wearing style Head-band Product type Headset Ports & interfaces Wireless range 30 m Bluetooth profiles AVRCP Bluetooth version 5.0 Bluetooth Yes USB connector USB Type-A USB connectivity Yes 3.5 mm connector No Connectivity technology Wireless Headphones Noise canceling type Passive Noise canceling Yes Driver unit 4 cm Headphone sensitivity 117 dB He