Multi Functional Whistle Ballpoint Light Key Chain Black Pen

This is a multifunctional pen, it is a flashlight, pen, whistle and keychain 4 in 1. The ballpoint pen with whistle and flashlight is made of ABS, and led materials. The ballpoint pen has an attached hook or lanyard design, which is easy to carry. The black ballpoint pen refill makes writing smoothly. It uses new energy lithium batteries and has a long service life.You can print your company's brand logo on the whistle to promote your brand and enhance brand influence. The multi-functional whistle meets the various needs of most people. Customized is available.