Material PVC</br>Functions Sports music speaker for bicycle, easy to carry, amazing larger volume, best sound quality, structual stability prevent the speaker from broken, standby time up to 15 hours</br>Other Features Output power: 3W, Input voltage: DC 5V; File format: MP3; Built-in 850mAh battery, USB sound card function, VIFA Hi-Fi sound quality</br>Packing List 1 x Speaker 1 x Strap 1 x Silicone band 1 x English user manual</br>Dimensions (3.54 x 1.69 x 1.69)" / (9 x 4.3 x 4.3) cm (L x W x H) Weight 3.67 oz / 104 g Package Includes</br></br>Product Description</br></br>Brand GACIRON Model B07 Quantity 1 Color Black Material PVC Functions Sports music speaker for bicycle, easy to carry, amazing larger volume, best sound quality, structual stability prevent the speaker from broken, standby time up to 15 hours Best Use Cycling Gender Unisex Other Features Output power: 3W, Input voltage: DC 5V; File format: MP3; Built-in 850mAh battery, USB sound card function, VIFA Hi-Fi sound quality Packing List 1 x Speaker 1 x Strap 1 x Silicone band 1 x English user manual Do you install a speaker on your bicycle? If not, you can keep an eye on this GACIRON B07 Mini Music Speaker for Bicycle Black. This sports music speaker can be installed on your bicycle easily and firmly. When you press the button, it can produce beautiful music, which can warn passby taking care of them. Fashionable and special design can match your bicycle well. Thanks to its structural stability, it can prevent the speaker from broken. It can make your bicycle stand out from others. What are you waiting for? Features Fashionable and special design matches your bicycle well Produce beautiful and loud music It can be installed on your bicycle easily and firmly A good choice for you New and never been used</br><br/>http://www.amazon.com/gp/product/B01ESZ35YK