*Both a Speaker and a Radio*: Built-in wireless FM signal amplifier to improve its sensitivity and enhance its reception, supporting most of radio stations. True color display have simple and smooth design to prevent rain, splash and dust. The colorful screen will show the usage capacity of the battery, frequency of radio stations, and radio mode. *3 Modes of How to Play Your Sound box*: Sensitive touch buttons make you Easily switch between 3 modes of how to play your speaker: Bluetooth--Connect over Bluetooth in seconds to: iPhone,iPad,iPod,Mac,Tablets, Smartphones,Windows 7,8,10; Micro SD--Using Micro SD or TF card to play music or upgrade speaker's firmware; Aux-In--With a supplied audio cable you can play music from most other players,such as Chromebooks,TVs and non-Bluetooth devices. BUILT-IN MIC for handsfree speaker. *All Metal Body,Ultra-Portable*: Both sides of the speaker are arc, so that there are no sharp edges and it is comfortable for touch. Ultra-compact bluetooth speaker can easily be slipped into your backpack or bag. Whether you' re lounging around the house or doing outdoor activities, take the sound with you anytime and anywhere. *Up to 12 Hours Playtime*: The battery-operated speaker provides up to 12 hours playtime at a full charge. You can enjoy continuous music all day thanks to the rechargeable lithium-ion battery(2200mAh). To be charged from most USB power sources adds onto its advantages and conveniences. Never worry about a long journey. *High-Quality,Crystal Clear and Distortion-Free Sound*: 360° stereo sound and Less than 1% total harmonic distortion ensures enhanced clarity and fidelity. For such a small compact size,the portable speaker produces a wide audio range. The speaker includes two internal full-range 3-watt speakers and a uniquely enhanced bass, making it easy to fill a kitchen, living room, classroom with resonant, robust sound. Enjoy strong, rich bass without distortion, even at the highest volume.