Feature: √ 6 HOURS PLUS FROM ONE SINGLE CHARGE: Built
in lithium rechargeable battery and USB lead to charge. CSR 4.0
bluetooth chip installed for lower power consumption to improve battery
life. √ UPGRADE YOUR CONVENTIONAL TAPE PLAYER: Bring
your cassette tape player into the 21st..
Features：*Simply plug the 3.5 mm jack plug into a portable music player, Pod, CD player, pop the cassette into the car radio cassette and play music through your car stereo. *Compatible with car cassette decks that have side tape opening Self-adjusting spring head and silent mechanism Mini-jack plug..