Logitech 981 001458 headphones headset Wireless Head band Car Home office Black Discrete graphics card memory___1 GB Enjoy a highly visual tablet Enjoy a highly visual tablet experience when you can see more 0b HDMI ports quantity 2 HDMI Yes Built in USB hub No Ergonomics Tilt adjustment Yes On Screen Display (OSD) Yes Tilt angle range 5 20° Swivel angle range 45 45° Swivelling Yes Pivot angle 90 90° Pivot Yes Height adjustment 13 cm Height adjustment Yes Cable lock slot type Kensington Cable lock slot Yes Panel mounting interface 75 x 75 mm VESA mounting Yes Power Energy efficiency scale A to G Power supply type External AC adapter output voltage 20 V Input current 2 8 mm Depth 66 mm Ear pad dimensions (W x D x H) 66 x 16 x 66 mm Packaging data Package width 174 mm Package type Box Package height 184 mm Package depth 72 mm Receiver included Yes Audio adapters included USB Quantity 1 Travel pouch Yes Cables included USB Type C to USB Type C Packaging content Zone 305 headset USB C to USB C charging cable Travel bag User documentation Packaging content Travel pouch Yes User guide Yes Packaging content Zone 305 headset USB C to USB C charging cable Travel bag User documentation Wireless receiver interface USB Type C Receiver included Yes Audio adapters included USB Quantity 1 Cables included USB Type C to USB Type C Features Optimized for Microsoft Teams Other features Wireless receiver interface USB Type C Receiver included Yes Travel pouch Yes Package type Box Continuous audio playback time 20 h Bluetooth version 5 Wired Wireless: