[Authentic] ROUNDS Portable Speaker, Designed and Made by Japanese Engineers, Mini Smartphone Speaker, USB Charging, for Android, iPhone, PC, Mobile

[High-quality compact smartphone speaker] This portable speaker is ready to use just by plugging it into your smartphone or other device. It weighs just 30g, measures 3.5cm wide and 3.3cm tall, and is extremely portable. It's easy to carry outdoors. [Compact and 4x louder] This mini smartphone speaker is extremely portable, yet delivers high-quality sound with 3W output and 4x louder volume. It's perfect for music playback, movie playback, video chat, car navigation, and more. [USB rechargeable, no power supply required!] Charging is via USB cable, which can be connected to a device with a USB port, such as a mobile phone or PC. A pilot light will illuminate while charging, indicating that the device is charging. A Micro USB cable is included with the smartphone speaker. [Easy to use with smartphones with earphone jacks] Use this speaker with iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7, iPhone 7 Plus, iPhone 6, iPhone 6s, iPhone 6 Plus, iPhone 6s Plus, and Android devices like Samsung, Sony Xperia, and Galaxy. You can also use it as a speaker for computers, tablets like iPad and iPad Mini, iPod touch, MP3, MP4, Vita, Walkman, and CD players to enjoy music, movies, and videos. It can also be used as a small, unplugged speaker for your guitar. [Perfect Gift] This compact, simple, silver-colored smartphone mini speaker makes a great gift for friends and family. [12-Month Warranty] If there's any problem with the smartphone speaker, we offer a 12-month warranty. If you have any questions after delivery or before purchasing, please feel free to contact us by email on Amazon. We will respond promptly. We also accept requests for corporate promotional items and novelty items. It also makes a great Father's Day gift.