Dimensions/Weight
Headphones:1.25″ H x 1″ W x 1.2″ D (0.32 oz each)
Case:1.5″ H x 4″ W x 1.9″ D (2.8 oz)

Additional details
Rechargeable lithium-ion battery
Charging time: 2 hours
Battery life: 5 hours per full charge