Features:Open-ear design closes to the ear bone, sound waves directly transmitted to the acoustic system to enjoy high-quality music while not hurting the ear.Bone conduction technology delivers music through your cheekbones, ensuring ears remain completely open to ambient sounds for maximum situational awareness during long-term wear.Lightweight body design with rubber hanger creates a golden triangle wearing stability, long-wearing without pain, wear it without falling when you do sports.The large dynamic diaphragm is used for directional audio transmission without loss, creating a realistic surround sound field.TPE material, skin-friendly, non-irritating.Specifications:Item Type: Bone Conduction Headset Transmission range: 10 metersFunctions: battery display, call function, support musicBluetooth version: 5.2Channel: StereoColor: Black, Blue, Green, RedHow to use: Earplug typeSingle or dual ear: Bilateral stereoApplicable occasions: weddings, birthdays, holidays, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards commemorations, public relations planningPackage Included:1 x Bone Conduction Headset 1 x USB Charging Cable1 x User Manual