KOSS Porta Pro Wireless 2.0 Wireless On-ear Headphones, Black

The KOSS Porta Pro Wireless 2.0 is a set of on-ear headphones equipped with 40 mm neodymium drivers that cover a frequency range of 15 Hz to 25,000 Hz. The primary connection method is Bluetooth 5.2, which supports multiple audio codecs for use with compatible source devices. For a wired connection, a detachable USB-C to 3.5 mm audio cable is included in the box, offering an alternative listening option.

A built-in lithium-ion battery provides up to 20 hours of continuous audio playback or talk time and supports fast charging via its USB-C port. On-device buttons allow for management of volume, track selection, and call functions without accessing the connected device. The headphones feature an integrated, omni-directional microphone for voice pickup during calls. For transport and storage, the 220 g frame is foldable and comes with a softshell carrying case.

• On-ear design with an adjustable headband
• Connects via Bluetooth 5.2 or a wired 3.5 mm audio cable
• Features 40 mm drivers with a 60 Ω impedance
• Supports aptX, AAC, and LC3 audio codecs
• Provides up to 20 hours of playback on a single charge
• Integrated microphone for hands-free calls
• On-device button controls for music and call management
• Foldable construction for portability
• Includes a carrying case, USB-C charging cable, and audio cable