The Scosche BTFreq Wireless Bluetooth Hands-Free Car Kit BTFM4 is a sleek black FM transmitter designed for hands-free use in the car. It has dimensions of 3.64 x 7.07 x 1.57 inches and weighs 0.160 lbs. The compact size and lightweight design make it easy to use and store in the car. With wireless Bluetooth connectivity, users can easily stream their favorite music or take calls without the need for a physical connection. The Scosche BTFreq is a reliable and convenient accessory for those looking for a portable audio solution while on the go.