bicycle electronic bell bicycle light scooter e bike trumpet alarm bike bell usb charge cycling warning alert safety ridingSPECIFICATIONS Brand Name: NoEnName_Null Choice: yes Hign concerned Chemical: None Origin: Mainland China Type: Electric Horn recommended to you USB Chargeable : No need for batteries, simply charge the bell via USB for convenient use. Electric Horn : The electric horn provides a loud and clear warning sound, ensuring safety while cycling. Multi functional : This bell can be used as a scooter bell, e bike bell, or trumpet alarm, making it versatile