AH357 uses a USB 3.2 Gen1 high-speed interface, increasing work efficiency and reducing waiting times. AH357 used USB 2.0 interface and has the widest compatibility, making it the best digital accessory. The hidden strap hole allows the use of personalized charms, making it easy to carry while displaying unique personal taste. Ocean Blue AH357 & Blue AH357 represent sunshine and livelihood along with snow-white swivel body, displaying bright and colorful vitality.