PHERAL FIT Natural Leather Hand Grips - Gymnastics Grips Wrist Support Crossfit, WODs, Pull Ups, Chin Ups, Kettlebels Weight Lifting Ergo-Fit Design for Ultimate Comfort and Fit 3 Pairs of Soft Earpads Included (S/M/L) Drive Unit (diam.in mm) - Diameter 9mm Impedance (ohm/1kHz) - 16 Fit,3.5 mm plug