<p> Product Name: Bluetooth-compatible Headsets<br /> Bluetooth-compatible standard: V5.2<br /> Carrier frequency: 2.402GHz-2.485GHz<br /> Frequency range: 2.0Hz-20KHz<br /> Transmission range: 8-10 meters<br /> Charging time: ___ 3 hours<br /> Use time: 15 hours<br /> Standby time: 300 hours<br /> Packing list:<br /> 1 pair x Bluetooth-compatible headsets<br /> 1 x charging cable<br /> 1 x user manual<br /> 1 x 3.5mm jack microphone adapter<br /> 1 x headset carrying case<br /> Note:<br /> 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding.<br /> 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.</p><br><div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

S660 Tws Wireless Headset Bluetooth 5.2 Touch-control Earphone Ear-mounted Sports Running Earbuds Black