Chinese phone maker Doogee is soon to launch its stylish earphone dubbed as Vienna. It will launch some time in August. Our Source (Doogee) has also teased its pricing at $1?.99 (we expect it to be $19.99).
The Doogee Vienna also has a Microphone that has -44dB (+4dB-) at 0DB=1V/pa, 1Hz. It takes up standard voltage of 2.5V (Max 10V) and standard current of 100mA ~~ 500 mA. Doogee claims that the microphones has less than 3% Distortion rate and >58dB Signal to noise ratio.
The earphones have Moving-coil loud speakers with 90dB (5+dB-) Sensitivity at 1KHz, utilizes 3 mW power (5mW max). Doogee has conducted rigorous testing to meet the enhanced audio output standards.
Tests include 300 times of bending, Drop Test, Impact Test, Button press Test (40-50 Times in a minute, up to 1000 times), Sticky test and more