Alloy Mecha Wireless Bluetooth Headset $ 23.73 Product Information: Material: Zinc alloy +ABS+PC Transmission range :10 meters Function: Noise reduction Bluetooth protocol :5.3 Usage: in-ear type Color: Flame black, winter snow blue Mold type: private mold Style: Retro Size :48x24x52mm Packing list: Headphones X1PCS