Holder fit for
* Bluetooth V4.0 + Speaker+Power Bank+Bike Light+Bicycle Bell+Iphone Bracket
*Waterproof,Dustproof, Anti-scratch, Shockproof,High temperature Resistant Speaker
*Stylish and exquisite appearance, which is convenient to carry, With it you can enjoy music anytime and anywhere
*Excellent for Outdoor Sport and exercise and Travel
*Used as 4400MAH power bank can charge your phone or other device in emergency
*Double LED Lights with front and flashing light for choosing
*Bluetooth connect to mobile phone for calling and playing music
*Support TF Card for play mp3/wma/wav music
*Application of mobile phone andriod or IOS software
*Honking as the bicycle bell ir alarm to remind the front vehicles or passerby
*Support AUX input
*32bit ARM master platform design and USB software upgrade
*Note:Do not soak in water! It only support water mist- proof!
Tips: The sound comes from one side, the other side don't have sound.