Product Description Specifications Hyper immersive sound designed to enhance the audible experience. Bluetooth over ear headphones with luxury, adjustable cushioning head band and ear pieces. Foldable for easy portability. Hands free phone call function with built in microphone. Listen to music wirelessly for up to 10metres. Supplied in zippered EVA case. Battery Type: Rechargeable 400mAh Lithium-ion. Frequency Response: 20Hz~20kHz. Charge Time: 1-2 hours, Standby Time: 5-6 hours. 12 month limited technology warranty. Materials: ABS outer shell Collection: Technology Item Size: Headphones: 195 x 175 x 80mm (LxHxD); Earpiece: 80mmDia; EVA Case: 195 x 90 x 135mm (LxHxD). Print Areas: Pad Print: Ear Muff - 50mm Diameter; Digital Print: Ear Muff - 50mm Diameter; Screen Print: EVA Case - 40 x 60mm (LxW) Carton Notes: Individual Polybags. Supplied in EVA zippered case. Carton Size: 47cmL x 40cmW x 46cmH