Product Description Specifications Product Size: 180 x 150 x 70 mm (open), 130 x 115 x 70 mm (closed) Branding Area: 50 x 20 mm (ear pad), 22 x 16 mm (headband) Standard Packaging: Coloured Gift Box Certification: CE, FCC, SDS, UN38.3 Specifications: Bluetooth V4.0, Working Range > 10 metres, Wireless Play Time: 5 Hours, ANC Play Time: 20 Hrs, Input: 3.5 mm stereo plug and wireless adaptor. Battery Capacity: 240 mAh Lithium Polymer, Working voltage: 3.7V. Headphone Speaker: 40 mm / 32Ω, Maximum O
