Compatible with Universal Cell Phone And Bluetooth Device.Features: Portable Wireless Bluetooth Speaker with USB Slot. Micro SD Card Slot, Radio Feature, Detachable Strap.Designed to be comfortable to carry with light weight, so much better for travel & hiking, light and easy to fit in your backpack, baggage. Can be used indoor and outdoor.Loud volume & good bass sound quality; room filling sound, perfect for home, dorm room, kitchen, bathroom, car, parties; streaming music or internet radio services such as Pandora and Spotify.Clear, full-range sound you might not expect from a compact speaker. Voice prompts make pairing your devices easier and better indication.Premium compact loudest portable Bluetooth wireless speaker. Connect your iPhone, Samsung, Android, or Bluetooth device to experience the best quality stereo sound. Enjoy conference wireless Bluetooth music feature in the office or with a group of friends. With a built–in high capacity rechargeable battery to take your music wherever you go with the battery playtime based on the music volume