Dual Driver Hi Definition Ear Buds,GranVela V2 Musician's In Ear Headohones (Blue) [Perfect all-range performance]AS-V2 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 with better effect of sound insulation [PRO Cable]Cable with high purity core to ensure efficient transfer of signal and minimum interference Package contents: AS-V2 Earphones, Silicone earbuds * 3 pairs, Headphone storage bag * 1, instruction manual. 12-month warranty and free lifetime technical support