For AirPods 1 / 2 Wireless Earphone Eagle Electroplating Protective Case with Hook(Grey) Tag-Others and the outer layer is

and the outer layer is made of skin-friendly Lycra fabric

Charging box size: 4

2v regulated output

Power Power Supply 2 x AAA Battery (not included)

It can only be adjusted on the computer player

For AirPods 1 / 2 Wireless Earphone Eagle Electroplating Protective Case with Hook(Grey) Tag-Others and the outer layer is1. MaterialTPU + PC + metal 2. Total protection: it protects your earphones from dust, scratches, and external shocks. 3. Convenient charging: It retains the charging port, you can charge the earphone without removing the case, and use all functions easily. 4. Firm and convenient: magnetic automatic cover switch, makes the headphone cover firm and not easy to fall off. 5. Personalized design, fashionable and beautiful. 6. Equipped with a carabiner: so