2 IN 1 DEEP BASS STEREO HEADPHONES & EARPHONES HEADPHONES • High performance headphones • 40 mm diameter driver ensures high fidelity sound • Long lasting comfort • Lightweight and compact design • Soft-cushioned earcups rest gently on your ears • Adjustable headband for your comfort • Rich and crisp bass response • Speaker Style: Anisotropic speaker EARPHONES • Lightweight earphones • High quality crisp sound • Suitable for intense activity or simply relaxation • Rubber earbuds for a secure and comfort fit • Speaker Style: Neodymium speaker • Three extra silicone earbuds included. (sizes: s, m, l) Clam Shell UPC: 639131202122 Clam Shell Dimensions: L 7.12 x W 3.0 x H 10.0 Clam Shell Weight: .60 lbs. Master UPC: 10639131202129 Master Case: 24 Master Dimensions: L 20.12 x W 18.12 x H 14.37 Master Weight: 19.56 lbs.