Amazon.com: Sennheiser HD 800 S Over-the-Ear Audiophile Reference Headphones - Ring Radiator Drivers With Open-Back Earcups, Includes Balanced Cable, 2-Year Warranty (Black) : Electronics
Amazon.com: Sennheiser HD 250BT Bluetooth 5.0 Wireless Headphone with AAC, aptX™, aptX™ Low Latency, transducer technology and build-in microphone- 25 hour battery life, USB-C fast charging – Black : Electronics