Magnetic wireless headphones with a distinctive, modern design. Their shape allows them to be worn around the neck for greater comfort. Delivered in an EVA pouch. Material: Recycled ABS (100% rABS), EVA Wireless transmission: BT v4.1 Capacity: 55 mAh Approximate battery life: 3 hours Approximate charging time: 1.5 hours Frequency response: 20-20000Hz Sensitivity: 105dB 3 Impedance: 16 ohm Sound power: 16 mW Speaker diameter: 10 mm Includes: USB-A / USB-C cable, 3 pairs of silicone adapters (S - 11.5mm, M - 12.5mm, L - 13.5mm) Supply: EVA bag Dimensions: 80 x 65 x 32 mm