Mendy Logic Bluedio Hi Earbuds Wireless Bluetooth Bluetooth  (Black, In the Ear)

Main Features: ? Support face recognition: take off the earphone and automatically pause ( supported by the right earphone ) ? Stylish appearance, invisible ultra-small size ? Fit your ear perfectly for comfortable wearing ? With charging box for long duration ? Clear talking and premium sound quality Specifications: Response frequency (Hz): 20-20000 Impedance (ohm): 16? SNR (signal to noise ratio): 86dBm Sensitivity (dB): 92dB Talk time (H): 5 hours or so Music time (H): 5 hours or so Standby time (H): 1000 hours Charging time (H): 2 hours Battery capacity: earphone 60mAh, charging box 600mAh