Aproem Wireless Fast-Charging Pad is made of ABS durable and corrosion-resistant. Slim and small size easily fits in your backpack or briefcase. The magnetic phone charger adopts aluminum alloy shell with effective heat dissipation. Transmission distance up to 0.23in for 10w quick charge without removing your phone case. Overcharge and overcurrent protection to keep your equipment safe. Ideal for office, home or outdoor activities.