Best 3-in-1 Multi-function High Speed USB Charger for Your Car

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High quality high speed USB Car Charger + Battery Voltage Tester + FM Transmitter.

High speed and smart charging

3.1A smart high current

5V/3.1A dual USB charging:Smart current split charging
Widely compatibleThe safest USB car charger ever

• Over temperature protection
• Anti – electromagnetic interference
• Over-current protection
• Constant voltage & constant current
• Short circuit protection
• Over voltage protection

Can be used on most cars which voltage is between 12V and 24V (Please don’t use it if your car’s voltage is higher than 24V)Working as Battery Voltage Tester: test the voltage of your car’s battery at any time

Working as FM transmitter: Two working modes
Beautiful and High quality

Shipped directly from the manufacturer. 100% Satisfaction GUARANTEED!