1. Material: ABS, zinc alloy, silicone 2. Size: 54 x 30 x 33 mm Weight: 41g 3. Capacity: 50 mAh 4. Charging time: 15 min 5. Charging port: Micro 6. Working time: 24 h of continuous use 7. Standby time: 90 days 8. Compatibility: 4”-7” mobile phones