Active noise cancelling headphones with luxury, adjustable cushioning headband and earpieces. Foldable for easy portability. Hands-free phone call function with built-in microphone. Listen to music wirelessly for up to 10 metres. Supplied in zippered EVA case. Battery Type: Rechargeable 250mAh Lithium-ion. Frequency Response: 2.40GHz 2.48GHz. Charge Time: 1 hour, Standby Time: 10 hours. 12-month limited technology warranty. Colours Available: Black. Materials: ABS, Soft foam, eva case. Item Size: Headphones: 80 x 210 x 80mm, EVA Case: 180 x 210 x 50mm (LxHxD). Price includes: 1 Position Digital Print - Full Coverage. Setup included.