DescriptionIf you are looking for a professional and affordable magnetic phone cooler, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Material: ABS-Size: 6.90X5.00X2.00cm/ 2.71X1.97X0.79in Battery: 300mAh - Ring-shaped strong magnetic adsorption, surround heat dissipation, tightly attached, faster heat dissipation. - 300mAh large capacity rechargeable battery, enjoy the unrestrained, not limited by cable. - Small size and slim, will not block your finger during game, very convenient to carry. - Metal shaft casing motor, sweeping the heat wave, bringing in coolness. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.