?Truly sweat proof technology ?sweat guard is specially designed to resist the corrosive properties of sweat. ?High-octane sound? 10 mm dynamic drivers and precision in-house Tuning ensure spirit x?s Deep low-end is balanced by lush midst and crystal-clear treble. ?Extreme comfort? gentle over-ear hooks and softened silicone ear tips float effortlessly in place as you Sprint, lift, and push your way to the limit. ?12-Hour playtime? get sublime bass-driven sound for well over a week of workouts from a single charge. ?What you get? sound core spirit x, XS/S/M/L/XL ear tips, S/M/L ear wings, 2 x cable clips, shirt clip, Micro USB cable, travel pouch, carabineer, our worry-free 18-month warranty, and friendly customer service