The Bang & Olufsen Beocom Portal, a wireless headphone offering high-quality sound, in black. The Beocom Portal brings Bang & Olufsen's renowned high-performance sound, pure design, and exceptional craftsmanship to the world of true business professionals. Essential for hybrid work, with clear sound quality and a sophisticated, beautiful design. Frequency Range 20–22,000 Hz Driver Type 40 mm diameter electrodynamic drivers (with neodymium magnets) Driver Sensitivity 95 dB @ 1 kHz / 1 mW Customizable Sound EQ Presets and customizable equalizer available in the Bang & Olufsen app Designer Jakob Wagner Bang & Olufsen Design Team Wearing Style Over-ear Materials Aluminum Leather Fabric Polymer Rubber Dimensions (W x D x H, mm) 167.3 x 178.7 x 92.6 mm Weight 282g (Weight including audio cable: 292g) Battery Life Talk time: 23 hours with ANC on Playback time: 47 hours with ANC on Charging Time Approximately 2 hours Battery Capacity Lithium-ion battery Capacity 1200mAh Wireless Connectivity Bluetooth 5.1 Beocom connection (dongle) Sound Codecs SBC, AAC, aptX™ Adaptive Pairing Authentication Google Fast Pair Made for iPhone (MFi) Microsoft Swift Pair Microphones MEMS microphones for voice x 4 (2 shared with ANC function) MEMS microphones dedicated to ANC function x 4 (2 in each ear cup) Inputs and Outputs 3.5mm mini-jack audio cable for wired connection (1.25 m) USB-A to USB-C cable for charging (1.8 m) Multipoint Connect to 2 devices simultaneously