NGS Black Artica Deluxe. Ear coupling: supraaural, Wearing style: Head-band. Connectivity technology: Wireless, Headphone connectivity: USB, Wireless technology: Bluetooth. Dimensions (WxDxH): 161 x 55 x 175 mm, Weight: 0.1728 kg. Battery life (max): 17 h, Battery recharge time: 2.5 h. Cables included: Audio (3.5mm), USB