F3 Bone Conduction Bluetooth-compatible 5.2 Earphones Outdoor Wireless Sports Business Headphones Hands-free Hanging Ear Headset black

Description

--open design: Open wireless earphones surround directional sound field, surround directional sound field speakers use physical ecological membrane technology, compact body--comfortable to wear, no ear clips required, protect ears from damage--The headset is only 18g, light and portable--Bluetooth-compatible 5.2 chip, lower power consumption, 180mah battery, longer battery life--IPX5 battery life, sweat-absorbing and waterproof