Professional Digital Display 3.1A Dual USB Charger Bluetooth compatible FM s Car Accessories with

Digital Display 3.1A Dual USB Charger Bluetooth-compatible 5.0 MP3 Music Player FM s Hands-free Wirele Calling Audio Adapter Car Acceories with Feature:High sound quality: Support BT wirele connection and U disk playback, bringing wonderful music to your boring driving time.Safety: Dual USB ports, support 3.1A charging, reduce the fear of charging, allow you to quickly charge electronic devices in the car, built-in overcurrent and short circuit protection, safer to use.Multi-function: support hands-free calls, built-in microphone noise reduction, clear calls, one-key answer/reject/withdraw, easy to communicate with others, safe driving.Easy to monitor: Digital display, real-time monitoring of battery voltage and frequency, easy to read and safer to drive.Power-off memory playbafunction; automatically reconnect when power on, memorize the frequency, and restart the traafter power off, starting from the first sentence of the disconnected song. (If you need to remember the seconds after shutdown, just pre the pause on before shutdown)Wide compatibility: not limited to mobile phones and models, suitable for mainstream 12V-24V models on the market, compatible with maive APPs.Specification:Material: ABSColour: BlackWorking voltage: 12V-24VInput current: 3.1ADisplay: digital displayTransmiion frequency: 87.5-108MHZEffective distance: about 10mBluetooth-compatible version: 5.0Support expansion: U disk≤32GTransmitting distance: