_x000D_ _x000D_ _x000D_ _x000D_ U.S. buyer attention: _x000D_ The areas where the US warehouse does not deliver goods are: Hawaii, _x000D_ Alaska, Puerto Rico, Guam and other US overseas territories. And the _x000D_ military address. _x000D_ _x000D_ _x000D_ Spanish buyers attention: _x000D_ if your address includes following postal code please do not choose the Spanish warehouse. _x000D_ The zip code starts with 35/38. _x000D_ Overseas warehouse cannot be delivered. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Digital Display 3.1A Dual USB Charger Bluetooth-compatible 5.0 MP3 Music Player FM Transmitters Hands-free Wireless Calling Audio Dongle Adapter Car Accessories with Voltmeter _x000D_ Feature: _x000D_ High sound quality: Support BT wireless connection and U disk playback, bringing wonderful music to your boring driving time. _x000D_ 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. _x000D_ 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. _x000D_ Easy to monitor: Digital display, real-time monitoring of battery voltage and frequency, easy to read and safer to drive. _x000D_ Power-off memory playback function; automatically reconnect when power on, memorize the frequency, and restart the track after power off, starting from the first sentence of the disconnected song. (If you need to remember the seconds after shutdown, just press the pause button before shutdown) _x000D_ Wide compatibility: not limited to mobile phones and models, suitable for mainstream 12V-24V models on the market, compatible with massive APPs. _x000D_ _x000D_ Specification: _x000D_ Material: ABS _x000D_ Colour: Black _x000D_ Working voltage: 12V-24V _x000D_ Input current: 3.1A _x000D_ Display: digital display _x000D_ Transmission frequency: 87.5-108MHZ _x000D_ Effective distance: about 10m _x000D_ Bluetooth-compatible version: 5.0 _x000D_ Support expansion: U disk32G _x000D_ Transmitting distance: