Subwoofer altoparlante Bluetooth bicicletta; supporto cellulare ciclismo power bank
Bluetooth V4.0 + Speaker+Power Bank+Bike Light+Bicycle Bell+Iphone Bracket. Honking as the bicycle bell ir alarm to remind the front vehicles or passerby. Waterproof,Dustproof, Anti-scratch, Shockproof,High temperature Resistant Speaker.