Carry your music anywhere you travel by connecting the small Bluetooth speaker and experience the best quality sound. It is a wireless device which can easily connect with the mobile phone, notebook, iPhone or iPad. It automatically turns off when there is no manual operation or no device. It has a built-in mic for the hands-free call. One of the most unique qualities of this speaker is that it is water-proof and dust-proof, so even if water is poured above it, it does not cause any harm to the speaker. The external body is wrapped with high-quality TPU material that is waterproof cloth net and is oil resistant, internal anti-corrosion processing structure, shatter-resistant, water-resistant and can be used in outdoor perfectly. The speaker is also shatter-resistant because it is wrapped up with high-quality silica gel material that can withstand the rough use of the outdoor environment and avoid unintentional falls. The product has been tested that even if it falls from 2 meters high level, it can still work normally. It has a 1200 mAh built-in battery that offers 12 hours of playtime. The speaker has a default power button, volume up, and down button and it supports 32 GB super capacity micro SD card which supports APE, FLAC, WAV, WMA, MP3, etc. Format audio files.