Model: F head

Smart split cup: not supported

Scope of application: sports and wellness

Material: SiliconeStyle: Fashion and SimpleFeatures: Seamless DesignColor: As Shown in the Picture

Universal Soft Earbuds Stethoscope Earplugs (Pack of 2 Pairs) Kitchen and Dining Model: F headProduct information : Color classification: gray black The gray and black are gourd type soft earplugs with a total length of 2CM, very soft, and the model is universal Reminder: (This earplug is easy to insert when using 5mm ear tube. If it is a 6mm ear tube, please use a hair dryer to soften the earplug before inserting it, so that the earplug will be tightly absorbed after it cools down. On the ear tube, if there is a metal part of the earplug on