Volume Control:Yes

Built-in microphone

It can charge your mobile devices

Power Bank Function SoundPulse

Driver Diameter: 6mm

Iron Gym Total Upper Body Workout Bar zmassager Apple Volume Control:YesIron Gym is the multi function training bar that combines every exercise you need to build a powerful upper body. Its the ultimate body sculpting and strength building tool that helps shape the upper body and tones your midsection. Strengthen your back, biceps, and other upper body muscles in the comfort of your living room or dorm with the Iron Gym workout bar. Designed to fit conveniently in most doorway frames or sit on the floor for pushups, dips,