Philips Adjustable Earhook Headsphones SHS4843/28 -Blue (Discontinued by Manufacturer) 24K Gold-Plated Plug Ensures An Ultra Reliable Connection Adjustable Ear-Hooks Bass Beat Vents Allow Air Movement For Better Sound Contoured Earhook Increases Wearing Comfort and Stability Connectivity Technology: Wired Philips Adjustable Earhook Headsphones SHS4843/28 Blue 24k gold-plated plug ensures an ultra reliable connection Bass beat vents all air movement for better sound Contoured earhook increase wearing comfort and stability 13.5mm speaker driver optimizes wearing comfort Air cushioned caps for superb cushioning comfort Stays comfortably in your ear when you are on the move Durable Flexi-Grip makes a strong flexible connection Inner earhook sleeves of the headphone can be adjusted to sit on 5 different positions for a more personalized fit