VestPac Waterproof Ear Wrap (White, Small) VestPac Waterproof Ear Buds are fully submersible up to 8 meters Comfortable silicone ear cushions block out ambient noise Standard 3.5mm connection for use with most audio devices Drive unit: 10mm, Impedance: 3215 Sensitivty: 105dB/mW5dB, Frequency response: 20Hz-2,000Hz