Buy with Confidence - We offer permanent after-sales support service, refund or exchange guaranteed within 30 days for any quality issue, as SINSEN's brand purpose—accompany you with high quality and sincerity. Widely Compatible - Retractable clamping arm and bottom bracket make it available for all phones, such as iphone, Samsung, Android, etc. This phone mount is compatible with all positive blade vents. Protective Silicone - The phone holder clamping arm and the bottom bracket are equipped with innovative hollow silicone rubber, which can completely fit the phone more securely, and will not wear the phone. 720° Rotatable - With a universal rotating ball, you can adjust to the most comfortable angle and not block the vents. Easy to install with the latest screw-type mechanical lock design. Excellent Stable - Upgraded one-touch mechanical clamp, adjustable by gears and springs, are made of advanced durable and robust aircraft grade materials. Once the arms are pressed firmly into place, the phone remains stable even during bumps, sharp turns and hard braking.