Sunglasses Bluetooth Headset 5.0 Stereo $ 19.62 Product information: Transmission range: 10 meters Function: call function, support music Bluetooth protocol: 5.0 Channel: Stereo Usage: hanging ear type Single or dual ear: bilateral stereo Color: blue, gold, seven colors, silver, black Mold type: private mold Chip type: Actions Packing list: Bluetooth headset glasses*1