Leadleds Bluetooth LED Name Badge Rechargeable Name Tag double sided led screen It features an AC/DC Adapter

It features an AC/DC Adapter and cigarette lighter socket

Working Environment Temperature: -20°C~60°C

App programmable Pattern

LED bulb has a longer lifespan than an incandescent bulb

Battery capacity: 300 mAh

Leadleds Bluetooth LED Name Badge Rechargeable Name Tag double sided led screen It features an AC/DC AdapterNew Bluetooth LED Name Tag, Upgraded Rechargeable LED Badge Scrolling Name Tag Cellphone Programmable Business Badges with Magnet Pin * When can you use Leadleds Digital Name Tag? When you wanna stand out and express yourself at concerts, parties, festivals, and etc. When you wanna maximize your fun with your friends. When you wanna show your support for artists, sports teams that you wanna cheer on. Specification: Size: 3. 66 1. 18 Inch (93 30 6mm)