powerful magnetic field, extremely stable grip Protect your phone with a soft silicone surface that won't disrupt the signal. Flexible base that is firm and stable and fits snugly on the dash tiny, so it wouldn't obstruct the driver's view or the air vent One-handed operation, 360-degree free rotation, and ease of installation Material: silicone, magnet, ABS, and zinc alloy Maximum output power: 15W Relevant situation: vehicle air vent Measuring 6.35 x 6.35 x 9 cm and weighing 70g