Portable speaker 3691 | personalized gadgets

Speaker 3691 is the ideal solution for amplifying the audio of smartphones and mobile devices in any situation. This compact speaker is distinguished by its small size of 5.2 cm in diameter by 3.8 cm in height, making it perfect for carrying anywhere. Equipped with a universal 3.5 mm jack connection, it ensures compatibility with most audio devices. Charging is conveniently done via USB cable, ensuring convenience of use and extended battery life. The ergonomic design and compact size make it a must-have accessory for corporate presentations, promotional events and everyday use. Available in black, red and blue colors, the speaker lends itself perfectly to corporate customization through various printing techniques. The surface allows the application of logos and promotional messages, turning this device into an effective brand communication tool. Ideal as a technology gadget for trade shows, corporate welcome kits and promotional giveaways, it combines functionality and brand visibility in one product.