Sleek and ultra-light headphones The August EP636 Bluetooth headphones combine comfort, elegance and outstanding sound quality. Clear sound with deep bass make these headphones sound as good as they look. At a weight of just 4.5oz with soft padded ear pieces and a headband cushion, the EP636 cradles your ears in comfort. Bluetooth v4.0 and NFC Connection via its Bluetooth version 4 chip is swift and simple, you"ll have them connected to your smartphone or tablet in seconds and no wires means no more tangles. The EP636 also includes NFC technology allowing you to pair simply by tapping them with your phone or tablet. Integrated remote and Inbuilt mic The earpiece remote control allows you to skip back and forth through your track list, answer and hang up calls. Thanks to the microphone, you"ll be able to sit back and relax knowing that any incoming calls can be answered without even having to pick your phone up. The mic can also be used with VOiP services like Skype and AOL giving you a handsfree headset for internet calling or PC gaming. 12+ hours of play time A quick 2.5 hours charge via its Micro USB connection provides over 12 hours of playback. Great for commuting, night shifts and even marathons. Specifications Bluetooth Specification: Bluetooth v 4.0 + NFC Operating Range: Up to 10m Frequency Response: 80Hz - 20KHz DSP: CVC6.0 Noise and Echo reduction Speaker Output: 20mW SNR: ≥90dB Distortion: ≤1.0% Battery: 195 mAh Built-in Li-ion Battery Working Time: 14 hours Charging Time: 2.5 hours Standby Time: 480 hours Charge port: Micro USB Weight: 4.5oz Dimensions: 165.7 x 161.5 x 50mm Cable Micro USB included