For AirPods 2 / 1 Wireless Earphones Protective Case(Brown) Tag-Lenovo Spare Parts there are 22 levels of

there are 22 levels of power output from 1/1 to 1/128 for you to adjust freely

Bumblebee bluetooth speakerFunctions: bluetooth

Key touch: linear

playback time: 4 hours

For AirPods 2 / 1 Wireless Earphones Protective Case(Brown) Tag-Lenovo Spare Parts there are 22 levels of1. MaterialTPU + PC 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: safety lock makes the headphone cover firm and not easy to fall off. 5. Personalized design, fashionable and beautiful. 6. Equipped with a ring: so that you can carry the earphone