Winter Warm Bluetooth Earmuff With Stereo Speaker And Mic Outdoor Headphones<br>FeaturesCoral Fleece synthetic Leather material， warm， soft and stylish design.Protects you from cold winter and will also allow you to listen to music and talk while doing variety of other activities.Built-in microphone， available for cell phone to transmit the speaking phone to your audio devices directly， hands-free answering.Built-in Li-ion chargeable battery， charge via USB cable， long stand-by time.Perfect for traveling， waiting for the bus， jogging in the cold and the like. SpecificationsMaterial: Synthetic leatherBT Version: V3.0+EDRFrequency: 2.4026GHz-2.480GHzTransmission distance: 10M \/ 32.80ftTransmission distance of Mic: &amp;le;1M \/ 3.28ftLi-ion battery: 3.7V\/200mACharging time: 2 hoursCharging voltage: DC 5VStandby time: 30 hours or soContinuous working time: about 6.5 hoursBluetooth name: Call me Package Included1*Bluetooth Earmuff1*Charging Cable<br>More Details