?Wireless Bluetooth Knitted Hat Hands-free Music Speaker Winter Warm Cap<br>Description:Knitted material and handsfree speaker that protects the head from the cold winter and will also allow you to listen to music and talk while doing variety of other activities<br>Feature: V3.0+EDR Bluetooth version｣ｬ available for most of devices with Bluetooth function.Knitted material ｣ｬfashion and keep warm with answer the phone in winter.Set-in MIC｣ｬ 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｣ｬ charge via USB Cable｣ｬ long stand-by time.Support display receiver battery on iPhone. Specification:Bluetooth: V3.0+EDRFrequency: 2.4026GHz-2.480GHzTransmission distance: 10M or soTransmission distance of MIC: &amp;le;1 MLi-ion Battery: 3.7V\/100mACharging time: 2.0 hoursStandby time: Up to 60 hoursContinuous working time: about 3.5 hoursBluetooth name: Magic Hat<br>Package included:1*Bluetooth Music Hat1*Charging Cable1*User Manual<br>More detail: