How to recognize a good smartphone: It can withstand heavy stress. The Gigaset GX4 Pro is ideal for active people who spend a lot of time outdoors and need a phone that can handle the demands of a tough workday. It is a quality product "Made in Germany," representing robustness and durability. The GX4 Pro also impresses in terms of performance and resilience: its long-lasting 5000 mAh battery can be charged super fast with up to 30 W. You can also easily remove it and replace it with a spare battery. Inside this smartphone, a powerful octa-core processor is at work, while the new LED spotlight ring draws attention from the outside.