Wireless Bluetooth headset - F990 - Fineblue - Black

div "product__specs-data-item" div "product__specs-data-item-term" Fineblue rechargeable bluetooth headset with built-in microphone. It has a special fastening clip and an ergonomic earpiece design for a comfortable and stable application. /div div /div div "product__specs-data-item-term" strong Features: /strong / div div ul li Battery autonomy: up to 4 hours of use at medium intensity /li li Standby time: 180 hours /li li Charging time: approx. 2 hours /li li Bluetooth: V4.1 /li li Range: 10m /li li Batteries: 90mah lithium polymer battery /li li Sensitivity: 120 ± 3dbdb /li li Maximum output: 5mW /li li Resistance: 32 Ω /li li Frequency response range: 2.4 – 2.48Hz /li /ul /div /div