Specifications: Strong compatibility, suitable for a variety of models, support 4 inches-6.5 inches phone The bracket is equipped with a shock absorbing pad to protect the phone case and prevent scratching. High-light headlights, night riding protection, double lamp bead lighting design, to ensure safe riding at night. 130 decibel speakers, bid farewell to shouting, up to 130 decibels sound effectively warning passers-by, vehicles. Mobile charging, convenient and fast, built-in 2000 mAh large-capacity battery, you want to charge whenever you want. USB charging, riding more convenient, comes with USB charging, can adapt to a variety of USB chargers. Sealed and waterproof, it is not afraid of rainy days. It ensures that you don't have to worry about rainwater embedding in rainy days, and you can still use it normally. Item Name: Bicycle Horn Light Material: Plastic Attributes: Type A: 2400 mAh, Type B: 4000 mAh, Type C: Solar 4000 mAh Type A Power By: 2400 mAh Battery (Included) Type B Power By: 4000 mAh Battery (Included) Type C Power By: 4000 mAh Battery (Included) Features: Easy to Use, Durable, Stable Size: 14cm x 5.2cm x 3cm/5.51" x 2.05" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Horn Light (Phone Not Included)