✨ Bullet Points
🔔 Multiple Sound Modes
Long press the button for 2 seconds to switch among 6 ringtones. 80dB loud volume effectively alerts pedestrians and vehicles.
🔋 Rechargeable Long Battery Life
Built-in 150mAh lithium battery, supports USB charging for convenient repeated use.
💧 Durable Waterproof Construction
High-quality ABS shell with rubber cushion, waterproof, stable and long service life.
🔧 Tool-free Quick Installation
Easy mounting and removal on bicycle handlebars without extra tools.
📏 Widely Compatible
Fit handlebar diameter 22~31.8mm, adjustable elastic silicone strap adapts various handlebars.
