Digital Display 3.1A Dual USB Fast Charger Bluetooth-compatible 5.0 MPS Music Player FM Transmitters Hands-free Wireless Calling Audio Dongle Adapter Car Accessories with Voltmeter
Feature:
High sound quality: Support BT wireless connection and U disk playback, bringing wonderful music to your boring driving time.
Safety: Dual USB ports, support 3.1A fast 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 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)
Wide compatibility: not limited to mobile phones and models, suitable for mainstream 12V-24V models on the market, compatible with massive APPs.

Specification:
Material: ABS
Colour: Black
Working voltage: 12V-24V
Input current: 3.1A
Display: digital display
Transmission frequency: 87.5-108MHZ
Effective distance: about 10m
Bluetooth-compatible version: 5.0
Support expansion: U disk≤32G
Launch distance: <5m
Size: 75*52*52MM
Weight: 35 grams

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.