Sport Bluetooth Headset <br>Original Authentic Scrath Query<br><br>Hifi Ultimate Sound / APP Remote Operation / Comfortable Fit To Wear<br> <br>Spesification : <br>- Model KB-S900D ( Brand : Koniycoi ) <br>- Version : 4.1 Chip CSR ( Communication Distance : &lt; 10 M )<br>- Speaker : 9.0 mm ( Impedance : 16 ohms )<br>- Mic Sensivity :-42+- 3db ( Charging port : Micro Usb )<br>- Battery Capacity : 90 Mah ( Tally : Yes )<br>- Charging : DC 5V/ 50 mA ( Charger Output : 5V/0.5-1.0A ) <br>- Wire : 0.7m +- 0.1m ( Charging Time : 1.5-2 Hours )<br>- Continuous Talk :5 Hours ( Continous Playback : 4-5 Hours )<br>- Stand By Time : 120 Hors ( Working Temperature : -40~80 *C