PC Speaker - Universal - Retro Robot Speaker USB Charging Highlights Universal Retro Robot Speaker USB Charging Retro Robot Speaker USB Charging Product is shipped based on the main image color or size of the product. Features: full body, high definition sound, compact body, ultra-compact design, with subwoofer resonator, need loud sound during the meeting? Do you want louder and better sound when watching your computer on a family gathering? Meet your daily needs. Bluetooth Technology: Equipped with advanced technology, compatible with all Bluetooth devices. The phone can display the remaining speaker power and the speaker automatically reconnects to the last device used, pairing the device in just 3 seconds. When Bluetooth is disconnected for 10 minutes, the speaker will turn off, which helps to save power. The long play: charge quickly, the 900mAh high-performance lithium battery, enjoy 10 hours of music with 50% sound and volume. If you play 1-2 hours at medium volume every day, you don't need to charge for a week. The best gift: the unique shape of the robot, easy to use, easy to carry, is a fun gift, give it to your friends, to ensure a smile.