1. BASEIN Car Charger FM Transmitter with Safety Hammer Cigarette Lighter Car Adapter Bluetooth Cup Holder Charger with Multiple Ports (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
MULTIFUNCTIONAL CAR CHARGER: come with 2.1A & 1.0A USB ports with 2 cigarette lighters, compatible with most USB devices such as mobile phones, iPad, MP3, USB flash disk, digital camera, game console, GPS etcBLUETOOTH FM TRANSMITTER: connect your phone with this device through Bluetooth, and then streamed through car FM system, rotate the button to play previous/last song and press the button to answer or hang up the call

2. Desel 3 in 1 Dual USB Safety Vehicle Car Charger Aluminum Zinc Metal Car Cigarette Power Adapter with Emergency Escape Life Hammer and Seat belt Cutter (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Multi-function: it is not only a car charger, but also a safety window hammer and a seat belt cutter.2 USB Ports: it enables you to charge two devices at the same time, compatible with all the devices with 5V,500mA-2400mA output.

3. Car Charger, RUNRAY 3.1A 15W Dual USB Car Smart Charger with Safety Hammer Car Cigarette Charger for iPhone iPad Android Devices (Silver) (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
1Amp/2.1 Amp Dual USB Car Charger with safety hammer which can allow you to smash the windows glass easily, it is really a life preserver in emergencyAutomatically recognize the type of charging devices and the most appropriate maximum charging current will be selected automatically for the devices

4. Car Charger, CHGeek 36W 4.8A Rapid Dual USB Car Charger 3 in 1 Metal Car Power Adapter with Emergency Escape Hammer Cutter for iPhone 7 6S 6 Plus 5S, Samsung Galaxy,LG G5,HTC,Nexus 5X 6P,iPad -Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
MARKET UNIQUE DESIGN WITH SAFETY WINDOW HAMMER AND BELT CUTTER: Not only a car charger, but also a safety window hammer for escape by the accident. The top material of the charger is tungsten steel, it will break the car window easily allow a safe exit. Along with a stainless steel blade, it will come in handy when help is needed to cut through the seat belt in an emergencyHEAVY DUTY MATERIAL: Pure aluminum zinc metal casing makes it be sturdy, solid, durable, anti-corrosion, high strength and anti-extrusion. After using for a long time, it still looks new

5. Car Charger, RUNRAY 3.1A 15W Dual USB Car Smart Charger with Safety Hammer Car Cigarette Charger for iPhone iPad Android Devices (Black) (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
1Amp/2.1 Amp Dual USB Car Charger with safety hammer which can allow you to smash the windows glass easily, it is really a life preserver in emergencyAutomatically recognize the type of charging devices and the most appropriate maximum charging current will be selected automatically for the devices