- Compatibility : Designed specifically for BMW X4 F26 models from 2014 to 2018, ensuring a perfect fit for your vehicle. - Multifunctional Device : This advanced jump starter is not just a battery booster; it features integrated functions that surpass traditional models. It serves as a portable jump starter, tire pump, tire pressure gauge, power bank, and comes with various lighting modes. Compact and user-friendly, it is an essential tool for road trips and outdoor adventures. - Smart Protection : Equipped with reverse polarity protection and an intelligent protection clip, this device ensures safe operation during emergency starts, giving you peace of mind. - Versatile Tire Inflator : Our jump starter with air compressor includes 5 modes, 4 nozzle attachments, and 3 pressure units, making it suitable for cars, motorcycles, bicycles, sports balls, and more. Featuring preset inflation settings, pressure detection, and automatic shutoff, it conveniently stops when the desired pressure is reached. - Practical Scenarios : 1. During a long road trip, this device can quickly and efficiently jump-start your BMW X4 if the battery dies, ensuring you stay on your journey without delays. 2. If you're biking or playing sports, use the tire pump and pressure gauge to keep your equipment ready for use, avoiding flat tires and mishaps. 3. In an outdoor setting or at a campsite, the built-in power bank and various lighting modes can provide essential energy and illumination when needed. With its versatile features and reliable performance, this jump starter and tire inflator is a must-have for every driver.