ARKTEK Bluetooth Music Soft Warm Faux Fur Hat with Stereo Headphone Headset Speaker Wireless MIC Hands-free for Men Women Teen Gift (Black) V3.0+EDR Bluetooth version, available for devices with Bluetooth function - Apple, Android, Windows, Blackberry etc Faux Fur material, classic style and keeping warm in winter Set-in MIC, hand free answering - enable your phone to transmit the speaking phone to your audio devices directly Set-in Li-ion chargeable battery, charge via USB Cable, long time endurance Size - Adult / Teen, one size fits most