●Not-deformed magic bicycle speakers、easy and convenient, and can be fixed on the bike, the multi-selection, you may select with earplugs or not, can also link your MP3, MP4, CD, DVD, IPAD, IPHONE, GPS, PSP, mobile phone, and laptop.
●Allows you to listen to music anytime & anywhere, and make you out of the trouble of carrying a playback device and headphones to make your journey more safe and enjoyable！
●Distribution charge USB data cable & audio output, may connect to the computer and read TF card directly, can be used as the card reader or U disk！
●Output power of speaker：3W 4Ω
●Frequency response：20HZ-20KHZ
●S/N：≥80 dB
●Endurance ：7-15 hrs
●Charging time：more than 6 hrs
●Operating temperature：-10℃～+50℃
●Support TF card,and the maximum capacity of TF card it can carry is 8GB
●One jack with five functions：FM antenna, AUX-in, headphone output, connected to the computer, and charging.