Bluetooth LED Hat Wireless Smart Cap Headset Headphone

OverviewFlexible stretch material for maximum fitness.2-in-1 design, more convenient and wireless Bluetooth headset connection to listen to your favorite songs, handsfree to answer, or change to the call.The LED lights on the hat provide a great convenience in dark environments.Rechargeable Li-ion battery, charge via USB cable, long standby time.Perfect for outdoor hiking, jogging, skating, cycling, dog walking, winter bus waiting, etc. SpecificationMaterial: AcrylicSize: One Standard sizeCircumference of the head: 50-60 cmSex: UnisexBluetooth technology: V5.0Frequency: 2.402 GHz to 2.480 GHzSpreading distance: 10 metersMinimum distance from the microphone: 1 meterBattery capacity: 3.7V / 150mAhCharging time: within 2 hoursContinuous working time: 6 hours Package Content1* LED Bluetooth Knit Hat1* USB Cable