Feature:1. Sound conduction black technology, music that surrounds the mind, sound conduction technology, through the skull and jaw bones, the sound is transmitted to the auditory nerve, the low frequency is thick, the middle frequency is delicate, and the high frequency penetrates. 2. Lightweight, long-term wear without burden, lightweight body design, long-term wear without pain, young people can not be restrained, exercise as you like. 3. High-definition microphone, as clear as face-to-face, connected in one second, intelligently recognizes environmental noise, and restores clear human voice. Product Name: Headset Transmission range: 15 meters Function: wireless charging, noise reduction, NFC function Material: plastic Whether single or double ears: Bilateral stereo Bluetooth-compatible protocol: 5.0 Chip type: Bluetrum Waterproof performance: IPX6 Style: creative design Battery life: 8 Packing list: Headset x 1 Charging Line 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>

K69 Bone Conduction Headphones Wireless Bluetooth Headset Neckband Earphones For Sports Running black