Product Name:&nbsp;Headphones Product Type: True Wireless Open Sports Headphones Bluetooth-compatible effective distance: 10 meters Headphone use time: 8 hours Bluetooth-compatibleversion: V5.0 EDR Headphone weight: 23g (single ear 11.4g) Headphone charging time: 1.5 hours Charging time of charging box: about 2 hours (can charge earphones 2 times) Charging voltage: DC 5V Drive diameter: 16.2mm Frequency response range: 20 - 20000Hz Impedance range: up to 32 &Omega; Function: wireless charging, noise reduction, bone conduction, power display, call function, NFC function, voice control, support for music, multi-point connection Packing list: Headphones x 2 Charging Bin x 1 Instructions x 1 Carton Packaging x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <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>

Bone Conduction Earphone Wireless Bluetooth 5.0 Headset Waterproof Sports Fitness Noise-cancelling Black