Rechargeable button battery charger, compact and portable for convenient charging. Intelligent chip technology with over-current and over-temperature protection, enables smart fast charging and automatically stops when fully charged. Type-C charging port with indicator light: red indicates charging, green indicates fully charged. Ergonomically designed shell spacing ensures proper air circulation and effective heat dissipation. Wide compatibility with rechargeable button batteries including ML2032, ML1220, ML2016, and ML2020 models. Color: Black Material: Plastic Package Contents: 1 x Button Battery Charger Note: Other items not included. Note: Due to lighting reflections and screen differences, the item color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.