Momoday Bluetooth Music Soft Warm Beanie Hat Cap with Stereo Headphone Headset Speaker Wireless Mic Hands-free for Men Women Speaker Winter Outdoor Sport Best Gift (Red) V3.0+EDR Bluetooth version,available for most of devices with Bluetooth function. Protects you from cold winter and will also allow you to listen to music and talk while doing variety of other activities. Set-in MIC, available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hand free. You will look great and keep warm while listening to your favorite music.Keep the sound track to your life playing all the time. Knitted material,fashion and keep warm with answer the phone in winter.