1. TPU + PC material is non-toxic and tasteless, wear-resistance and anti-ageing.2. Electroplated alloy frame provides protection for the lens.3. Detachable metal buttons, comforable touch and sensitive response.4. Four-corner airbags cover for good shock-absorbing.5. With good performance and quality, it may work for a long time.6. With a ring hoder, free your hands and watch videos easily
