Combo Charger and Ear Piece fits in your car's cigarrette lighter and charges while you drive.

COOL.

Phone rings you just stick it in your ear. (maybe not the best phrase, eh?)

Playtime = 10 hours

Input voltage: 12-24V (V) 
Output voltage: 5V, 9V, 12V (V)
USB, Type-C 
In White or Black