Adjustable belt and headband: the flexible and adjustable elastic band can be adjusted according to the waist circumference that suits you, with good elasticity and comfortable to wear. Equipped with a sturdy, slim fastening buckle, the strap does not loosen after putting on during exercise and maintains maximum stability during exercise. And compatible with all mobile phone models. The headband prevents sweat from entering the eyes. Multi-functions: with two separate zip pockets, you can safely store your mobile phone, cash and keys. Equipped with a special earphone hole for music enjoyment during exercise. The left small pocket adopts environmentally friendly plastic keychain design, which can prevent the key from slipping and shaking. The design of the automatic locking zipper effectively prevents the zipper from automatically poping open. Safe design: this running belt uses a high-gloss reflective film that offers you more safety during night outdoor sports. The night car lights reflect the light, effectively ensuring your safety. The reflective design for high visibility and safety allows you to run worry-free at night. Sweat-proof and Velcro fasteners: the back of the running belt is made of sweat-proof fabric, which effectively ensures that your valuables are kept dry and safe when wet (not completely waterproof). The comfortable material is not only skin-friendly and breathable, but also lightweight and flexible, which perfectly releases the hands during training. The Velcro fastener is durable and easy to wear, remove and adjust. 100% SATISFACTION GUARANTEEThe belt made of the best polyester fabric is very durable and comfortable. We guarantee the quality of the products. If you are not satisfied with our products, please contact us by email at any time. We will solve your problem within 24 hours and give you a satisfactory solution.