JIESI Electra Bike Bell
- Sound adjustment of three volumes: 100% / 50% / 25%.
- Easy to install: Tools free, telescopic belt for the buckle, easy and lightweight.
- 5 types sound effect: Door bell / Metal bell / Vibrating ringtone / Enlightenment Ringtones / Whistle bell.
- Usb Charging design:High-quality polymer batteries, built-in 280mAh lithiumbattery,suitable for Android USB charging on the market.
- Quality material: the bike bell is made of AL alloy and quality plastic material, waterproof and dustproof, you can ride even on rainy days and snowy days.