Specifications:Bluetooth Version: V3.0+EDRFrequency: 2.4026GHz-2.480GHzTransmission distance: 30 ft or soTransmission distance of MIC: ●3 ftLi-ion Battery:3.7V/120mACharging time:2.5 HRSStandby time:60 HrsContinuous working time: about 5HrsBluetooth name:Magic HatSize:Fits for head circumference 56-62cmSpeakers can be taken off so that you can wash the hatQuantity:1pcColor: Deep Grey、Light Grey、Beige、Black、Black+Grey、White+Blue、Red+Coffee、Grey、Blue+Grey、Watermelon Red、Watermelon Red+Blue、Blue.Note: 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