1. Material: ABS 2. Volume: 120 decibels 3. Style: battery model/rechargeable model 4. Five modes, one-touch operation of the button, long press to switch ring modes in sequence (battery model only has one mode) 5. ABS solid shell, wear-resistant and scratch-resistant, not easily damaged 6. The rechargeable model has a built-in 200mAh lithium battery and Type-C for convenient charging. 7. The battery model is powered by two CR2032 button batteries. 8. IP4 level waterproof for daily use, daily water splash-proof, worry-free riding (avoid being exposed to rain for a long time) 9. Easy to install, fastened, simple silicone straps, strong elasticity, not limited by handlebar size 10. Weight: 32g
