MOCREOUnisex Wireless Bluetooth Baseball Cap Headset Headphone Music Sun Hat Hands-free With Microphone -Black &iexcl;&shy; V3.0+EDR Bluetooth version, Built-in microphone, available for cell phone to transmit the speaking phone to your audio devices directly, hands-free answering. Built-in Li-ion chargeable battery, charge via USB cable, long stand-by time ?The Bluetooth?music hat is designed to be reused and it is washable. fashion and protect you from sunlight in summer. Perfect for traveling, waiting for the bus, jogging in the cold or just rocking out in your bedroom. You will look great while listening to your favorite music. Keep the sound track to your life playing all the time. Compatible for All Bluetooth Enable Devices, iPhone 5 5s 6 6s Plus iPad Air Mini 4 Pro iPod Samsung Galaxy S6 Edge Plus S7 Edge Note 5 HTC Sony Nokia LG PC Tablet.