1. Silicone material, durable, non-toxic, no peculiar smell, no irritation to human body, no allergic reaction
2. Wearing soft and comfortable, with stronger sound insulation effect
3. S/M/L size can meet your various size requirements
4. Equipped with storage box, suitable for placing various in-ear earplugs to prevent loss and keep the earplugs tidy
5. Bluetooth headset is not included

Size:
S, length: 11.6mm, width: 10.1mm, height: 7.6mm
M, length: 12.8mm, width: 11.5mm, height: 7.6mm
L, length: 13.8mm, width: 13.0mm, height: 7.6mm