Material: Aluminum Alloy + Abs. Size: 64*68*32Mm, Weight: 100G. Battery Capacity: 110Mah, Usage Time: Fully Charged, Can Be Adsorbed About 300 Times. Applicable: Mobile Phones Above 4.5 Inches. Magnets: 16, Load-Bearing Capacity: 1000G. Vacuum Adsorption Pressure: 18~65Kpa.