Feature: 1. Programmable: Download programming software according to the user manual, complete the programming, and DIY your own text, numbers, dynamic patterns, etc. 2. Wide Application: Light up anything you want. With eye catching LED tags, it will help you attract more attention, display your name, mood, reminders, and advertising ideas at exhibitions, trade shows, parties, nightclubs, hotels. 3. Removable Magnet Module: Easy to attach to refrigerators, metal plates, or magnetic object without any damage. It can also be securely pinned to clothes to prevent loss. 4. High Capacity Battery: Built in rechargeable 250mAh lithium battery. Can last 14 to 16 hours at minimum 25% brightness and 10 to 12 hours at maximum 100% brightness (4 levels of brightness adjustment). Approximately half an hour to fully charge. 5. Portable and Lightweight: The LED name tag is compact and lightweight, making it convenient to carry around. Perfect for business promotions, personal expressions, or creative displays. Specification: Item Type: LED name badge Material: Electronic components, ABS Weight: Approx. 46g / 1.6oz Product Size: 9.5x3cm / 3.7x1.2in Built in Battery: 3.7V 250mAh li po battery(included) Light Source: Blue light Charging Method: USB micro 5V Control: Switch Program: PC web program(refer to the manual for detail). Package List: 1 x LED Name Badge1 x Metal Plate1 x USB Cable1 x Manual