Description:100% Brand New and High quality.Could activate SIRI on ios device for commands.Set-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.Headphones are removable for headwear washing.With Over-Current, Overcharge & Overheat Circuit Protection Design on PCB.Specification:Material:Acrylic fibre.Color:Black,Dark Gray,Blue,Red,Rose Red.Head circumference:54-65cm.Height:20cm.Gender:Unisex.Wireless Version: V5.0.Frequency: 2.402 GHz-2.480 GHz.Transmission Range: 10M 33ft.Rated Power: RMS 10mWx 2.Speaker Unit: 32\u03a9 30mm.Battery: 3.7V 180mAh Rechargeable Li-polymer Battery.Standby Time: Over 120 Hours.Play Time: Over 12 Hours.Charge Time: 2H.Note:1. Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid.2. The colors may be different as the difference display. Please understand.Package Included:1 x Bluetooth Smart Beanie Hat.1 x USB Cable.Please kindly Note: Items will be repackaged to save your shipping charge & to be environmentally friendly. We guaranty the item will be protected well in bubble bags, No retail box