The magic Bluetooth hat is your best choice when doing outdoor sports like walking、 jogging、 cycling、 touring、 fishing、 etc.100 % Acrylic material、 kintted beanie、 fashion and keep warm with answering the phone in winterThe magic Bluetooth hat is your best choice when doing outdoor sports like walking、 jogging、 cycling、 touring、 fishing、 etc.100 % Acrylic material、 kintted beanie、 fashion and keep warm with answering the phone in winter100% brand new and high qualityKnitted material、 fashion and keep warm with answer the phone in winterSet-in MIC、 available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hand free answering phone up via the device.Set-in Li-ion chargeable battery、 charge via USB Cable、 long stand-by time.Specifications:Bluetooth Version: V3.0+EDRFrequency: 2.4026GHz-2.480GHzTransmission distance: 30ft or soTransmission distance of MIC: ¡Ü3 ftLi-ion Battery:3.7V/120mACharging time:2.5 HRSStandby time:60 HrsContinuous working time: about 5HrsSize:Fits for head circumference 56-62cmSpeakers can be taken off so that you can wash the hatQuantity:1pcNote: Due to the difference between different monitors、 the picture may not reflect the actual color of the item. Thank you!Package includes:1 x Bluetooth Music Hat1 x Charging cable