Wireless Headset Neckband BT5.1 Sports Neckband Earbuds In-Ear Earphones A
1 Neckband Earbuds. Lightweight and Comfortable: The whole machine is only 16g, without any burden, as if nothing, experience the from the ear to the. 1 Charging cable. Frequency: 2.4GHZ-2.480GHz.