Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off) On-Off auspowers_batchsix Simply plug in the USB

Simply plug in the USB cable and plug the adapter into the wall

High Quality MicBuilt-in high quality microphone enable voice to be transmitted clearly even in noisy environments

Thickness=9mm

FITTING & EASY INSTALLATION INSTRUCTIONS A wide touch fastening strap opening allows the cover to slide on cover from the back of the speaker

Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off) On-Off auspowers_batchsix Simply plug in the USBAmpper Battery Switch, 12 48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On Off) Ampper battery switch, battery power master switch disconnect isolator for car, vehicle, Rv and boat. Specifications: 1, ABS plastic housing, durable made for safety use. 2, Rear cover insulates terminals against any short of circuits. 3, On Off 2 positions. 4, Copper terminal studs with nuts and washers. 5, 4 mounting screw holes.