Porta Pro® Wireless 2.0 kph30 They were introduced in 1970

They were introduced in 1970 as the first dynamic headphones to deliver true full frequency and high fidelity performance with impressive noise isolating capabilities

頻率響應（Freq

4 吋高衝程紙盆低音單元（4‑inch high excursion paper cone woofer）

finely detailed midrange with remarkable clarity and transparency

Porta Pro® Wireless 2.0 kph30 They were introduced in 1970Introducing the next generation of Porta Pro with Wireless Bluetooth 5. 2, USB C charging, Analog Audio Pass Through for wired listening, on board microphone and controls for taking calls controlling music and up to 20+ hours of battery life, all in the same durable, lightweight legendary design as the original. The Porta Pro Wireless Bluetooth headphones feature a rechargeable lithium ion battery that can last 20+ hours. An integrated microphone and