Compatible with Apple airpods 2nd and 1st. FRONT LED NOT VISIBLE:Support Wireless charging and Wire charging. SHOOCKPROOF:Made from high quality silicone,Protects your AirPods against bumps, drops and scratches. SLIM & PREFECT FIT:1.3mm thickness,Precise Cutouts.The material we use is neither too soft nor too hard. Comes with metal carabiner. Make it convenient and secure to carry your AirPods around.