Style and Tech combine, your wise choice for winter Keep your head and tunes warm this winter with the new August Bluetooth Hat. The EPA20 allows you to listen to your music without having to wear additional headphones. This original stereo headset brings you great sound quality, style and comfort. Remote control for Music, Volume and Calls A remote control panel on the right earpiece allows you to skip back and forth through your playlist, answer and hang up calls without having to use your phone. Built-in Mic for Hands free calling Thanks to the microphone, you"ll be able to keep running and exercising knowing that any incoming calls can be answered without having to pick up your phone. The mic can also be used with VOiP services like Skype and AOL giving you a hands free headset for internet calling or PC gaming. Up to 6 hours battery life A quick charge of only 2.5 hours via its Micro USB connection provides up to 6 hours of playback. Thermal hat with a twist The acrylic materials of the EPA20 provide around 20% greater insulating power than wool, don"t let the cold stop you this winter! Specifications Bluetooth: V3.0+EDR Frequency: 2.4026GHz-2.480GHz Range: up to 10m Transmission distance of Mic: ≤1 M Li-ion Battery: 3.7V/120mA Charging time: 2.5 hours Working time: about 6 hours Stand- by time: up to 60 hrs Size: one size fits all