Double independent pockets, large capacity: Two separate pockets allow you to conveniently place your phone, headset, data cable, wallet, ID card, credit card, keys, and other small items to ensure that your phone will not be scratched by the key.Waterproof, lightweight and portable: The arm bag is made of high-quality fabric and weighs only 0.06kg. Comfortable and breathable, waterproof and sweat resistanceit can ensuring that running or exercising in any weather can protect your phone safely and dry. The soft material ensures that the arm bag will not scratch the skin during movement.Flexible, breathable and adjustable: Comfortable and breathable wings can keep the arm bag firmly cling to the arm without loosening during the movement. The adjustable elastic band can be stretched to 40 cm, suitable for arms of various sizes from 11 to 16 inches. There are two ways of wearing, which can be worn on the forearm and upper arm by adjusting the armband.Multi occasion use: The running armband is suitable for many occasionssuch as running, exercising, towing, traveling, weightlifting, cross-training, hiking, cycling, walking, fitness, marathon, horse riding, and any other outdoor sports. The headphone jack design allows you to enjoy music better while you are moving.