GranVela MX330 Dual Dynamic Driver Ear Hook In-Ear Stereo Sport Earphones Noise-isolating Headphones with Microphone,Memory Wire,Remote, and Universal Volume Control (Red-rock) [Perfect all-range performance]As MX-330 is armed with highly flexible and exquisite high frequency, easily-recognized medium frequency and steady and sound bass [Bass duct design]Powerful Dual Dynamic Drivers for Premium Sound.Offers a high level of sound isolation for immersive audio with extended bass response [Comfortable and novel]Conform to the shape of your ears for comfort and a secure fit.More close to the cochlea and has better effect of sound insulation [Exchangeable Cable]The design of detachable earphone cables makes it easier to replace the cords,so that the service life of earphones is greatly prolonged Package contents:GranVela MX-330 Earphones, Silicone earbuds * 3 pairs, Headphone storage bag * 1, instruction manual. 12-month warranty and free lifetime technical support