Unisex PU Sling Bag Fanny Pack Chest Pack Crossbody Bag Blue hoodies Lightweight and won't increase the

Lightweight and won't increase the bulk of your phone

Equipped with an optical heart rate sensor for daily 24-hour uninterrupted heart rate monitoring

Built-in sensitive light sensor and motion sensor

which is convenient for you to write down what you want to say to your parents or questions you want to ask them

USB charging design

Unisex PU Sling Bag Fanny Pack Chest Pack Crossbody Bag Blue hoodies Lightweight and won't increase theThe chest pack is small and portable, not only can put down your mobile phone, but also suitable for other small items. Features: Suitable to hold your cash, mobile phone, lipsticks, sunglasses, keys, etc. Equipped with two zipper compartment pockets, four card slots, and one inner patch pocket. Can be used as a sling bag, chest pack or crossbody bag. With a adjustable strap to meet your need. Simple and generous, easy to carry, small and exquisite.