As sopn as the audio starts, screen displays its battery voltage Play music from USB disk and TF card Voice prompts the caller number when a call comes in. Digital display calling number FM Frequency: 87.5-108Mhz The Bluetooth hands-free function, with DSP echo cancellation function Charge for iphone/Samsung/Nokia/Mot Power switch DC 12~24V wide power supply suitable for variaty of cars Description: Audio format: MP3 Support U Disk TF card player FM Frequency: 87.5-108Mhz Frequency response: 20Hz-15KHz Left and right channel seperation: >60dB Bluetooth version: Bluetooth4.0 + EDR Bluetooth transmission distance: 5M Bluetooth Profiles: HFP/HSP, OPP, A2DP/AVRCP, PBAP Operating voltage: DC 12-24V Power consumption: 0.5w Work temperature: -10~70degree Working humidity: 0-95% USB charging maximum: 5V/3.1A Matters needing attention: 1. Due to the cellphone signal interference, may produce noise, cellphone and product need to keep a distance of more than 30cm. 2. Used in the process of charging mobile phone will have interference, in the process of charging mobile call may be dangerous. 3. To ensure your driving safety, pls use the product under the premise of safaty.
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