Philips Rich Bass Neckband Headphones SHS5200/28 (Replaces SHS5200) Connectivity Technology: Wired Philips Rich Bass Neckband Headphones SHS5200/28 (replaces SHS5200) 24k gold-plated plug ensures an ultra reliable connection Bass beat vents allow air movement for better sound Ear cushions improve wearing comfort and bass response Comfort is enhanced for long-term use Ergonomic cushions improve wearing comfort and bass Pull Relief System increases cable dependability Reflective neckband stays visible in the dark for safety Single-sided cable reduces tangling and improves comfort Textile covered cable lasts longer and prevents tangling