Welcome to our srore.Type:Wrist StrapDurable MaterialStylish DesignVersatile UsageGreat ValueModel Number: Coaxial SpeakersSpecial Features: Car SpeakerAudio Sensitivity: 93dB To Noise Ratio: 93dBImpedance: 4Frequency Range (Hz): 60Hz – 20KHzOut Power: 300WMaterial Type: MetalItem Weight: 341gItem Size: 110*110*60 MMColor Name: blackModel Name: Coaxial SpeakersCar Make: for all carsVoltage: 12VSpeakers Types: Coaxial speakersCertification: noneItem Type: Speakers