1, Closer to the driver, hands-free when answering the phone super convenient. 2, The biggest opening: 14CM, fully support the current popular smartphone, IPHONE, Samsung navigator, etc; 3, Elastic fixed design: using elastic fixed rubber belt, steering wheel also does not affect the size of the installation. 4, Easy installation, no additional tools, it only takes a few seconds to complete it. 5, Security: this equipment is highly compact steering wheel, can move, no security risks. 6: Protection: the device is embedded soft silicone pad, to protect your phone from scratches, etc. 7, Made of wear-resisting, high toughness environmental protection material, can be used for a long time. 8, The device does not affect the wheel set of installation. Suitable for Motorcycle, mountain bike, etc.