Brand new， Talk， Charge and Play music on the go! Hands-free conversation through car speaker when 3.5mm audio connected Suitable for virtually any Smart Phone and MP3/ MP4 Full frequency range: 88.1-107.9MHz， avoiding interrupt USB output charge Specifications: Radio Type: FM Frequency Frequency Range: 88.1-107.9MHz Interval: 0.1MHz Effective Range: approx. 5m Input voltage: DC 12~24V Output voltage: DC 5V， 1A; Working environment: -10℃~+55℃ Length: 120cm Compatible with: iPhone Samsung HTC Sony Blackberry etc. Package included: 1 x FM Transmitter 1 x User Manual