Material: Silicone Size: 12.5*5.5*4.3CM Sound decibel: 120 DB Color: black, red, green, Quantity: 1 piece Package content: 1 piece * Electronic speaker Compatibility: Silicone is flexible, suitable for all kinds of handlebars 1. STYLISH DESIGN: Bicycle bells are stylish and simple. It has a nice appearance and comes in three colors. It is suitable for all riding styles and every bike. 2. HIGH QUALITY MATERIAL: The bicycle bell is made of new silica gel material, which is waterproof, wear-resistant, durable, green and environmentally friendly. 3. GAO YINBEI'S RINGTONE: The ringing of the bicycle bell is as large as 120 decibels to remind pedestrians, vehicles or children who suddenly storm outside and drive more safely. 4. EASY TO CARRY: When the bicycle bell is used, the bell can be attached to the hook directly. It's very convenient and quick, and it can be put straight into your pocket. It is light and compact and can also be used as a bell. 5. CAN REPLACE THE BATTERY: This electronic bicycle bell cannot be charged, but you can replace the battery yourself. You can remove the silicone outer shell first, and then you can see a pull rod, pull it down, and you can see the button battery inside. You can take out the old battery, replace it with a new one, and install it according to the original method.