Product name: Portable Button Battery Charger Product color: as shown in the picture Interface type: Type-C Adapter type: LIR1025, LIR1220, LIR1254, LIR1620, LIR1632, LIR2016, LIR2025, LIR2032, LIR2430, LIR2450 Product features: 1. Gently press the spring to snap up, press the battery in the + direction, and put in the rechargeable button battery, convenient and fast 2. Multiple intelligent protections: Intelligent IC control circuit, safe and reliable. At the same time, multiple intelligent automatic protections, efficient and worry-free 3. Intelligent and efficient core: Type-C mainstream interface, convenient and efficient, full and stop, safe and reliable, easy to charge 4. LIR long-term storage, no memory effect, incomplete charging and discharging will not leave traces in the battery to reduce capacity, can be stored longer 5. When charging, indicator light shows red; fully charged shows green, grasp charging status at any time without safety hazards Product gross weight: 20g Package includes: Portable Button Battery Charger*1