Welcome to my review of the August EP636 Bluetooth headphones. The 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 – … Continue reading August EP636 Bluetooth Stereo Headphones with NFC and Mic – Review