This Bundle From Teds Electronics Includes: Sennheiser HD 560S Open-Back High-Performance Headphones, JLab Play Gaming Wireless Bluetooth Earbuds - Black/Blue Advanced Angled Driver Technology The HD 560S uses specially angled dynamic drivers designed to replicate the optimal listening position used in professional speaker setups. Open-Back Design for Natural Soundstage The Sennheiser HD 560S Open-Back Headphones features an open-back earcup design that allows sound waves to expand naturally, creating a wider and more realistic soundstage. Lightweight Comfort with Detachable Cable Designed for long listening sessions, the headphones feature a lightweight build (about 240 g) with soft velour ear pads and an ergonomic headband that reduces pressure on the head. Reference-Grade Audio Performance Built for audiophiles and creators, these headphones deliver neutral, detailed sound across the entire frequency range. With a wide 6 Hz 38 kHz frequency response, listeners can experience deep ba